source string | id string | question string | options list | answer string | reasoning string |
|---|---|---|---|---|---|
OpenBookQA | OpenBookQA-2301 | 5,224 views
In a certain town, the probability that it will rain in the afternoon is known to be $0.6$. Moreover, meteorological data indicates that if the temperature at noon is less than or equal to $25°C$, the probability that it will rain in the afternoon is $0.4$. The temperature at noon is equally likely to be a... | [
"be electrocuted",
"be vanquished",
"be drowned",
"be safeguarded"
] | D | shelter can protect humans from weather |
OpenBookQA | OpenBookQA-2302 | python, python-3.x
for anhang_ in anhang:
with suppress(EmptyDict):
for record in Anhang.from_dict(
anhang_, immobilie=self):
yield (record, PatchMode.CREATE)
else:
self.logger.debug('anhaenge or anhaenge.anhang is unchanged')
If you can't adapt either of th... | [
"nutriment",
"grass",
"frost",
"sand"
] | A | an plant requires food for survival |
OpenBookQA | OpenBookQA-2303 | electrostatics, electric-fields, charge
$$
So it wouldn't be a solution to the "real problem" you're trying to solve.
You could, however, interpret it to be a solution to a different problem, one in which there are no charges present ($\rho = 0$) in the volume of interest. In other words, it's not entirely unphysical... | [
"pebbles and soil",
"peas and corn",
"juice and vodka",
"toothpaste and bristles"
] | C | a solution is made of one substance dissolved in another substance |
OpenBookQA | OpenBookQA-2304 | c#, object-oriented, snake-game
if (choice2.Checked)
{
if (Player1setting.Gameover == false)
{
Brush SnakeBoddyColor;
for (int i = 0; i < SnakeBoddy.Count; i++)
{
if (i == 0)
... | [
"cold colors",
"thirty colors",
"artificial colors",
"natural colors"
] | C | painting an object a color causes that object to be that color |
OpenBookQA | OpenBookQA-2305 | atmosphere, climate-change, thermodynamics, radiative-transfer
All of which have a compounding effect in the regional and to a lesser degree, global environment, that Chen et al. attribute to as being a cause of a 1-2K temperature rise in high altitude areas in Eurasia and North America and as a disrupting influence i... | [
"people sometimes camping",
"moderate rain",
"over-logging",
"rabbit breeding"
] | C | humans changing an environment sometimes causes that environment to be destroyed |
OpenBookQA | OpenBookQA-2306 | dna, dna-sequencing, genomes, human-genome, mouse
I hope this is understandable, if you need any clarification on terms, please ask :)
The following is multiple choice question (with options) to answer.
A family moves into an old home that mice have moved into. Soon after the human family moves in, the family of mice... | [
"be frozen",
"be ejected",
"be happy",
"be welcomed"
] | B | humans moving into an environment usually causes native species to lose their habitats |
OpenBookQA | OpenBookQA-2307 | zoology, entomology, ant, sociality
Giving some reasons for their existence:
To what use is all this effort? Not, it seems, as protection from the elements. The earthworks fall apart in rain, and disintegrate when the earth is dry. Arcades are thin enough to puncture with a tap of a finger, which means a route is wea... | [
"on fire",
"fenced",
"illegal",
"underground"
] | B | An example of protecting the environment is creating protected areas |
OpenBookQA | OpenBookQA-2308 | javascript, array, tree
var goal = paths.reduce(function(carry, pathEntry){
// On every path entry, resolve using the base object
resolvePath(carry, pathEntry.path);
// Return the base object for suceeding paths, or for our final value
return carry;
// Create our base object
}, createPath());
document.write(J... | [
"more trees are indoors",
"the yard needs to be raked more",
"some trees are inside",
"fewer leaves are in the yard"
] | B | when a plant grows , the number of the leaves of that plant may increase |
OpenBookQA | OpenBookQA-2309 | ecology
Title: Statement about Tropical Rainforests I made a statement about tropical rainforests, and I want to know if it's somewhat true or not:
The soil in tropical rainforests is not exceptionally fertile, because it contains few minerals. The reason that a tropical rainforest has a huge amount of vegetation is b... | [
"less moisture",
"excesses of moisture",
"fewer water droplets",
"less fluid"
] | B | as dryness increases in an environment , the available water in that environment will decrease |
OpenBookQA | OpenBookQA-2310 | temperature, light, heat
Title: Why does sunburn cause fever? Today I found out that sunburns can cause fever.
What I don't understand is how/why? In my understanding fever is the side effect of an immune reaction against an intruder, mainly bacteria (though I admit I can be wrong).
Google searches like "can sunburn c... | [
"electric kettle",
"internal combustion engine",
"tea candle",
"gas stove"
] | C | lighting a candle causes that candle to burn |
OpenBookQA | OpenBookQA-2311 | human-biology, physiology, proteins, amino-acids, diet
Title: Amino Acid requirement + intake in relation to diet + meat type I was arguing with a friend:
I said: The Yulin festivals cannot be condemned by western culture, as we also kill animals in equally cruel ways.
She said: It isn't just that the killing is crue... | [
"a cow",
"a caterpillar",
"a vegan",
"a shark"
] | D | carnivores only eat animals |
OpenBookQA | OpenBookQA-2312 | population-genetics
Title: Average and lowest degrees of kinship/consanguinity among humans? I would appreciate insight into the average, median, RMS or any similar measure of relatedness among the current world population - and perhaps something about how rapidly this may be changing. A similar question is how un-rel... | [
"2 protozoa",
"2 oak trees",
"2 female cats",
"2 bacteria"
] | C | two females can not usually reproduce with each other |
OpenBookQA | OpenBookQA-2313 | botany, dendrology
Some resources:
http://extension.wsu.edu/maritimefruit/Pages/PruningBasics.aspx
http://puyallup.wsu.edu/~linda%20chalker-scott/horticultural%20myths_files/Myths/Wound%20sealer.pdf
The following is multiple choice question (with options) to answer.
Which is the most dangerous to trees? | [
"sunlight",
"javascript",
"oxygen",
"industrial saws"
] | D | timber companies cut down trees |
OpenBookQA | OpenBookQA-2314 | algorithms, reference-request, distributed-systems
In this problem the events have a total order relation: If you have two events you always can say which one is the oldest of them.
Now, the events don't necessarily show up in the stream in the correct order according to its timestamp. Each event is unique to its time... | [
"a routine doctor's appointment",
"a person has ceased taking in oxygen and pumping blood thru their system",
"a person is declared in remission from cancer",
"a person has had a big lunch"
] | B | if a living thing dies then that living thing is dead |
OpenBookQA | OpenBookQA-2315 | botany, color
Hypothesis 1
It should be remembered that chlorophyll is far from being the only pigment found in leaves. For example, carotenoids - which give yellow and reddish colors - are present in plant leaves. There are many carotenoids (according to Wikipedia there are over 1100 known, but that number will conti... | [
"in dog bowls",
"in swamp waters",
"in living rooms",
"in microwaves"
] | B | the formation of peat occurs at the bottom of swamps |
OpenBookQA | OpenBookQA-2316 | newtonian-mechanics, rotational-dynamics, air
Title: Direction of rotation of a celing fan From Constellation Energy
Quick energy efficiency tip: To stay cool and manage your energy at
the same time, use ceiling fans to create a “wind chill” in rooms you
are using. The wind chill will help you feel cooler than th... | [
"the electricity was cut off",
"a circuit was opened",
"a fuse was blown",
"a circuit was closed"
] | D | completing a circuit causes electric current to flow through that circuit |
OpenBookQA | OpenBookQA-2317 | photons, vision
Title: Dark room lights When I lay down in my room at night it's pretty much completely dark but I observe this strange phenomenon going on.
When I lay down and look at my ceiling I can see my white fluorescent white bulbs and white fan blades but when it's dark I can't. But, as soon as I avert my eyes... | [
"pupils are open",
"rooms are dark",
"eyes are closed",
"lights are off"
] | A | when light enters the eye through the pupil , that light falls on the retina |
OpenBookQA | OpenBookQA-2318 | If you want to model the number of items which are bought, your sample space could be the set of all tuples $(n_{\mathrm{shirt}},n_{\mathrm{suit}},n_{\mathrm{tie}})$, where the $n$'s are the number of each item bought (each one either $0$ or $1$ if we don't buy more than one of each). Then, for example, the event $$\{\... | [
"boom",
"grow",
"cease",
"increase"
] | C | as the sale of a product decreases , the amount of money made by the person selling that product will decrease |
OpenBookQA | OpenBookQA-2319 | zoology, ecology, species-distribution, migration
Title: How do animals end up in remote areas? I was thinking specifically about random marshy water holes on farmers fields. It seems that you can visit just about any one of these and you will find frogs if you look hard enough.
They usually don't seem to be connected... | [
"adapt",
"melt",
"drown",
"sink"
] | A | living in an environment causes an organism to adapt to that environment |
OpenBookQA | OpenBookQA-2320 | atmospheric-science, meteorology
Title: Why would El Niño affect atmospheric CO2 measurements? Starting with this article in Gizmodo:
El Niño Has Pushed Our Planet Past a Major Climate Milestone and then to this commentary in Nature Climate Change El Niño and a record CO2 rise there seems to be some connection.
I'm p... | [
"gardening",
"walking",
"speedboat driving",
"planting trees"
] | C | carbon dioxide concentrations in the air have increased over the last decade dramatically |
OpenBookQA | OpenBookQA-2321 | genetics, homework, human-genetics
However I really feel like I'm wrong about these assumptions since the math really doesn't add up. The likelihood that so many carriers for a relatively rare disorder all coming together and the fact that 3 of the 4 offspring of the grandparents died with only a 25% chance all seems ... | [
"hobbies enjoyed",
"head size",
"number of friends",
"sports played"
] | B | offspring receive genes from their parents through DNA |
OpenBookQA | OpenBookQA-2322 | botany, terminology, trees
Title: Branch taking over a tree trunk I stumbled upon a birch growing in sandy soil in a coniferous forest in central Russia.
It looks like over time the tree trunk got bent towards the trail and one of the branches became the new trunk as it now grows straight up, whereas the old trunk is ... | [
"it blows up",
"it is shrunken",
"it grows larger",
"it receives energy"
] | D | if something is outside during the day then that something will receive sunlight |
OpenBookQA | OpenBookQA-2323 | friction, statics
Title: Why is skidding considered kinetic friction when braking on a car? So according to my textbook applying the brakes hardly to essentially lock up the wheels causes skidding which is kinetic friction so the breaking distance is longer. However, if the brakes were "pumped" the card would not skid... | [
"running a track",
"rolling a car",
"Nascar races",
"riding a bike"
] | C | as the smoothness of something increases , the friction of that something will decrease when its surface moves against another surface |
OpenBookQA | OpenBookQA-2324 | ecology, behaviour, sociality, predation, community-ecology
Title: How selective are wolves about the size of their prey? For an animal that lives and hunts socially like a wolf, is there a lower threshold to the size of prey items they will hunt? A pack wouldn't have much trouble with catching say a rabbit, but would... | [
"a car to drive",
"a house to live in",
"a bus to sell",
"good eyes to see with"
] | D | hunting requires seeing prey |
OpenBookQA | OpenBookQA-2325 | ai-design, autonomous-vehicles
Title: Do self-driving cars resort to randomness to make decisions? I recently heard someone make a statement that when you're designing a self-driving car, you're not building a car but really a computerized driver, so you're trying to model a human mind -- at least the part of the huma... | [
"a four-wheeler",
"a truck",
"a convertible",
"a tricycle"
] | D | many vehicles emit pollution into the air |
OpenBookQA | OpenBookQA-2326 | orbit
Title: Does anyone know why three of Jupiter's largest moons orbit in 1:2:4 resonance? Three of the first four moons ever discovered outside of our own planetary sphere of gravitational influence orbit in very close to perfect resonance. Europa's orbit is almost exactly twice as long as Io's, and Ganymede's is a... | [
"Inner Solar System",
"Oort Cloud",
"Kuiper Belt",
"Asteroid Belt"
] | D | breaking apart rocks can cause debris |
OpenBookQA | OpenBookQA-2327 | climate-change, hypothetical, solar-terrestrial-physics
Title: How much reduction of insolation (solar energy) would be required to stop global warming? Suppose a giant sheet of semi-reflective mylar (or some other kind of partial sun-screening material) was temporarily placed into space between the Earth and the Sun ... | [
"a mighty oak",
"a lowly bush",
"an eagle's nest",
"a mail box"
] | A | if a tree falls then sunlight becomes available to the surrounding plants |
OpenBookQA | OpenBookQA-2328 | electrical-engineering, power-electronics, temperature
I would not recommend messing around with cooling if you want the temperature to be very constant. I would operate the unit at the high end above your highest environmental temp. Perhaps something like 40C as your constant temp and use a heating element surroundin... | [
"think",
"jog",
"want",
"smell"
] | B | moving changes stored energy into motion and heat |
OpenBookQA | OpenBookQA-2329 | raspberry-pi, wheeled-robot
I have glossed over the challenges of noisy sensor and actuators, but the core idea has been presented--both triangulation and control should be possible in simulation, and with a little tweaking, it should work on a physical system.
The following is multiple choice question (with options)... | [
"pots",
"cats",
"desktops",
"paper towels"
] | C | a computer controls a robot |
OpenBookQA | OpenBookQA-2330 | botany, species-identification
Title: Which plant is this? I'm curious what plant this is! I found it at 37°52'23.2"N 122°16'55.3"W (north of Oakland, California, USA). That's East Indian Fennel. It's a member of the celery family. Every part is edible, including the root and the seeds. It's packed with vitamins, calc... | [
"field",
"farm",
"greenhouse",
"cave"
] | D | darkness has a negative impact on photosynthesis |
OpenBookQA | OpenBookQA-2331 | atmosphere, climate-change, thermodynamics, radiative-transfer
All of which have a compounding effect in the regional and to a lesser degree, global environment, that Chen et al. attribute to as being a cause of a 1-2K temperature rise in high altitude areas in Eurasia and North America and as a disrupting influence i... | [
"high humidity",
"icebergs",
"wildfires",
"meteors"
] | C | drought may cause wildfires |
OpenBookQA | OpenBookQA-2332 | everyday-chemistry, water, crystallography
Spin-off question:
I heard (not sure where) that each snowflake assumes a unique shape. How true is this?
Now, as I understand it, all processes proceed so as to maximize the "randomness" of its constituent particles. (Oversimplified version of the Second Law of Thermodynami... | [
"a horse hatches from an egg",
"a bird comes directly from the womb",
"a frog comes from its mother indirectly in the form of an egg",
"a fish comes on land to give birth"
] | C | amphibians hatch from eggs |
OpenBookQA | OpenBookQA-2333 | genetics, reproduction
http://medical-dictionary.thefreedictionary.com/Infertility
http://medical-dictionary.thefreedictionary.com/sterility
http://www.acog.org/~/media/For%20Patients/faq011.pdf
The following is multiple choice question (with options) to answer.
Which would be excluded from a list of forms of reprodu... | [
"sexual reproduction",
"bisexual reproduction",
"asexual reproduction",
"reproduction"
] | B | different organisms reproduce differently |
OpenBookQA | OpenBookQA-2334 | zoology, ornithology, ethology, behaviour
Title: Crow branch pecking behaviour I was walking through a small park when two crows started cawing at me, and followed me, flying from tree-to-tree as I walked. I speculate that this is a territorial or protective behaviour, but what I found different was the crows were vio... | [
"waiting to hear sounds",
"slamming its front hoof to the ground",
"sending a text message",
"lying down on the ground"
] | B | a deer lives in a forest |
OpenBookQA | OpenBookQA-2335 | oceanography, sea-level, tides
Title: Why do high tides vary month to month? I've noticed that some ‘highest‘ high tides in one month are bigger than the highest high-tide of previous months. Why is this so? The dynamics of the tides are quite complex. The main idea is that gravity from the Moon and the Sun affect w... | [
"resolve",
"burn",
"float",
"spin"
] | D | a revolution of the moon around the Earth takes 1 month |
OpenBookQA | OpenBookQA-2336 | meteorology, geophysics, tropical-cyclone
Title: What is the largest hurricane possible? With Earth getting hotter and hurricanes also getting larger I wonder; Is there a limit on how big a hurricane can physically get? I am going to take an educated guess here because it is not possible(AFAIK) to accurately predict ... | [
"explodes",
"expands",
"dies down",
"grows"
] | C | when a hurricane moves over land , that hurricane will decrease in strength |
OpenBookQA | OpenBookQA-2337 | resources, soil
Title: Is soil a renewable resource? My geology textbook tells me that soil is not renewable, and I agree with this, but there was some question in my class as to whether this is true.
Some soils take more than a human lifetime to regenerate. However, in crop production, it seems as if soil can be reg... | [
"glass shards",
"rubber pipes",
"log portions",
"plastic spoons"
] | C | renewable resources can be used over again |
OpenBookQA | OpenBookQA-2338 | optics, astronomy, reflection, metals, telescopes
I used a good lens, which is why the effect is so small, but this shows the principle behind it.
Exhibit D
This is a microwave door - it is opaque to microwaves, but as you can see, lets visible light through. (See Faraday Cage)
Exhibit E
WiFi. It can pass through wal... | [
"a dog",
"a plastic bottle",
"a prism",
"a window"
] | A | no light shines through an opaque object |
OpenBookQA | OpenBookQA-2339 | safety
Title: Capacitance and flammable liquid I'm trying to attach a sensor to some tubes to measure the level of liquids in them.
see here
One tube contains toluene and the other contains Recosol R55 (shellite).
I'm thinking of using a capacitance level sensor like this or this.
But I am concerned about the safety... | [
"raise",
"fall",
"sink",
"settle"
] | A | denser liquids settle below liquids that are less dense |
OpenBookQA | OpenBookQA-2340 | It just turns out nicely for C that he is one of the people whose hat colors D and C both know about.
To introduce a modified challange: if the task were to yell out C's hat color right away, D would know for certain, C would have the increased probability of $2/3$ and A and B would be stuck with the random guess of $... | [
"a scope",
"a car",
"a blind",
"a mirror"
] | A | microscope is used to see small things by making them appear bigger |
OpenBookQA | OpenBookQA-2341 | electricity
Title: Why can touching an iPod charger sometimes cause one's skin to tingle? I was visiting Shanghai recently. One afternoon, while sitting on the sofa, I inadvertently brushed a family member's arm. To my surprise, I felt an unnatural tingling from his skin—quite like a mild version of the shock from a (... | [
"being in a gym",
"being in a sauna",
"being in a fridge",
"being in a pool"
] | C | cool temperatures cause animals to shiver |
OpenBookQA | OpenBookQA-2342 | thermodynamics, energy, electricity, efficient-energy-use
Title: Cutting down on power by bypassing mechanical to electrical conversions: Why not? The only answer to this I can think of is energy portability issues.
Another modern-world insanity is converting mechanical energy to electrical, only to turn it back into ... | [
"broken",
"reaped",
"destroyed",
"devasted"
] | B | coal is used to produce electricity by burning in coal-fire power stations |
OpenBookQA | OpenBookQA-2343 | geophysics, sedimentology
Title: Does dirt compact itself over time? If so, how does this happen? If I were to bury something 10 feet (~3 metres) underground, with loose soil on top, would the ground naturally compact itself over time, until whatever I had buried has dirt tightly pressing against it on all sides?
What... | [
"water",
"calcium",
"oxygen",
"rocks"
] | C | the looseness of soil increases the amount of oxygen in that soil |
OpenBookQA | OpenBookQA-2344 | Note:
Depending on where, and how frequently, you round during this function, your answers may be off a few cents in either direction. Try rounding as few times as possible in order to increase the accuracy of your result.
The following is multiple choice question (with options) to answer.
Which is more accurate? | [
"an ant gets food from photosynthesis",
"a dog gets food from photosynthesis",
"a gorilla gets food from photosynthesis",
"a palm tree gets food from photosynthesis"
] | D | a producer produces its own food |
OpenBookQA | OpenBookQA-2345 | thermodynamics, energy, electricity, efficient-energy-use
Title: Cutting down on power by bypassing mechanical to electrical conversions: Why not? The only answer to this I can think of is energy portability issues.
Another modern-world insanity is converting mechanical energy to electrical, only to turn it back into ... | [
"rocks",
"folding chairs",
"squirrels",
"DVD players"
] | D | electrical devices convert electricity into other forms of energy |
OpenBookQA | OpenBookQA-2346 | zoology, digestive-system, pets
Title: Is it safe to feed an adult fire salamander with slime maggots? As a reminder, maggots feed of a flesh, while fire salamander consumes his prey alive, without killing it.
Can it happen that the maggot will start eating the salamander from the inside? Although I am afraid I don't ... | [
"bald eagles",
"meadow voles",
"horse flies",
"house cats"
] | B | meadow voles eat plants |
OpenBookQA | OpenBookQA-2347 | meteor
Title: Trying to identify something I saw in the sky I'm trying to identify something I saw in the sky. This occurred in central Virginia (Louisa county), US on Sunday at around 2:15 AM EST. It started as a ring of what looked like smoke, high in the sky. The ring got gradually larger. Then a small light moved ... | [
"the lights are brighter",
"the lights appear duller",
"the lights are closer",
"the lights are bigger"
] | B | as distance from a source of light increases , that source of light will appear dimmer |
OpenBookQA | OpenBookQA-2348 | entomology
Title: What is the name of this tiny creature? It looks like a tiny piece of moving cotton? By chance, I saw this tiny insect on my bag a few days ago in Sydney. Am I the first person who has pinpointed this animal?! If not can you please let me know its name? From your image, it looks like it might be a wo... | [
"the daffodil",
"a stick",
"a rock",
"the carnation"
] | D | as the size of a flower increases , the number of pollinators it will attract increases |
OpenBookQA | OpenBookQA-2349 | zoology, ornithology, ethology, senses, balance
Source: Weimerskirch, H., Bishop, C., Jeanniard-du-Dot, T., Prudor, A. and Sachs, G. (2016). Frigate birds track atmospheric conditions over months-long transoceanic flights. Science, 353(6294), pp.74-78.
PS: You have two questions here, specially after your edit. I sugg... | [
"able to chill blood",
"able to warm blood",
"able to adjust blood temperature",
"unable to control blood temps"
] | D | a bird is warm-blooded |
OpenBookQA | OpenBookQA-2350 | entomology
Title: What is the name of this tiny creature? It looks like a tiny piece of moving cotton? By chance, I saw this tiny insect on my bag a few days ago in Sydney. Am I the first person who has pinpointed this animal?! If not can you please let me know its name? From your image, it looks like it might be a wo... | [
"birds",
"gorilla",
"humans",
"jades"
] | D | waxy leaves are used for storing water by some plants |
OpenBookQA | OpenBookQA-2351 | # Thread: physics tourist & bear problem
1. ## physics tourist & bear problem
another easy one i think:
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.5 m/s. The car is a distance d away. The bear is 27 m behind the tourist and running at 6.0 m/s. The tourist rea... | [
"avoid humanity",
"are domesticated",
"are friendly",
"are camouflaged"
] | A | animals usually distance themselves from humans |
OpenBookQA | OpenBookQA-2352 | particle-physics
Title: Explanation for self-rupture glass is needed I witnessed a phenomenon that I couldn't conclude its cause. Please bear with me for the length of the recall, for I merely want to include any details that might help us to investigate. I had a cooking glass lid sat on a wooden shelf that is away ... | [
"shirk",
"illuminate",
"shrink",
"die"
] | B | when electricity flows to a light bulb , the light bulb will turn on |
OpenBookQA | OpenBookQA-2353 | species-identification, microbiology, microscopy
Title: Identification of protozoa under microscope I observed maybe Protozoa from standing FRESH water and from slowly flowing FRESH water. I am complete dilettante. Can you tell what these creatures are?
https://www.youtube.com/watch?v=6D5ck3zNJzA&t=474s
Thank you.
Add... | [
"bamboo",
"pandas",
"protozoa",
"humans"
] | A | chlorophyll is used for absorbing light energy by plants |
OpenBookQA | OpenBookQA-2354 | evolution, vision, perception
For a broader review of polarized vision and underlying evolutionary hypotheses, the paper you linked to by Cronin et al. (2003) is a good review. I also came across a book, Polarized Light in Animal Vision. Polarization Patterns in Nature. by Gábor Horváth and Deszö Varjú and published b... | [
"freshly hatched turtles seeking water",
"birds being trained to play games",
"cats being fed salami",
"dogs riding in cars"
] | A | An example of an instinctive behavior is a baby bird pecking at its shell to hatch |
OpenBookQA | OpenBookQA-2355 | genetics, homework, human-genetics
However I really feel like I'm wrong about these assumptions since the math really doesn't add up. The likelihood that so many carriers for a relatively rare disorder all coming together and the fact that 3 of the 4 offspring of the grandparents died with only a 25% chance all seems ... | [
"how to taste food",
"how to hear sound",
"how to breathe oxygen",
"how to cook pasta"
] | D | doing chores is a learned characteristic |
OpenBookQA | OpenBookQA-2356 | homework-and-exercises, kinematics
Title: Average Velocity A car travels 100 miles in 2 hours, it then completes the return leg of the journey. How fast must it travel on the return leg to average 100mph over the total journey.
My thoughts on this are that it is impossible as if the total average was 100mph then the... | [
"behind a horse",
"with ice cream",
"on the road",
"with windows down"
] | C | speed is a measure of distance travelled over time |
OpenBookQA | OpenBookQA-2357 | behaviour
References
Shimada M, Watanabe H, Komine Y, Kigawa R, Sato Y. New records of Ctenolepismacalvum (Ritter,1910) (Zygentoma, Lepismatidae) from Japan. Biodivers Data J. 2022 Nov 3;10:e90799. doi: 10.3897/BDJ.10.e90799. PMID: 36761636; PMCID: PMC9836529.
Kulma M, Bubová T, Davies MP, Boiocchi F, Patoka J. Ctenol... | [
"have fun",
"confuse predators",
"entertain guests",
"dress up"
] | B | mimicry is used for avoiding predators by animals by camouflaging as a dangerous animal |
OpenBookQA | OpenBookQA-2358 | electrochemistry, ions
Is there any salt or other compound which would act similarly but not result in electrolysis (just conducting)? An approach using a classical model of electron flow
You can think of an electron flowing through a medium as analogous to a pinball bouncing around a pinball machine. The electric (po... | [
"a tin can and a plastic fork",
"a steel beam and a soda can",
"an eraser and a wooden pencil",
"human skin and rubber gloves"
] | B | if one electrical conductor contacts another electrical conductor then electricity will flow through both conductors |
OpenBookQA | OpenBookQA-2359 | So our resultant is 30.8 meters, 35.8 degrees north of west. What we can see is that if there is an obstacle in the path here, some big rock that you want to avoid, you can get to the same place by taking a different route which is kind of obvious, but now we just sort of demonstrated that that's true using analytical ... | [
"turn around",
"go straight",
"go left",
"go right"
] | B | the floating arrow on a compass always points towards the north |
OpenBookQA | OpenBookQA-2360 | botany, terminology, trees
Title: Branch taking over a tree trunk I stumbled upon a birch growing in sandy soil in a coniferous forest in central Russia.
It looks like over time the tree trunk got bent towards the trail and one of the branches became the new trunk as it now grows straight up, whereas the old trunk is ... | [
"eat worms",
"form perfect braids",
"strangle people",
"break hard objects"
] | D | if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk |
OpenBookQA | OpenBookQA-2361 | Case I: The spider at $A$ moves to $B$.
The spider at $C$ can only move to $D$ or $G$ (since $CE$ isn't an edge). If the spider at $C$ moves to $D$, then there are two ways for the spiders at $F,H$ to move: $(A,C,F,H) \to (B,D,E,G)$ or $(A,C,F,H) \to (B,D,G,E)$. If the spider at $C$ moves to $G$, then there is only on... | [
"warmer",
"in the den",
"unlikely to survive",
"closer to mother"
] | C | an animal usually requires a warm body temperature for survival |
OpenBookQA | OpenBookQA-2362 | everyday-chemistry, experimental-chemistry, water, home-experiment, melting-point
Title: What kind of string to use for the ice fishing experiment for kids? Classic ice fishing experiment for kids.
I used nylon because I saw it in a stationery, and apparently that doesn't work because I guess it's too slippery. I trie... | [
"water vapor",
"a refrigerator",
"a freezer",
"ice"
] | A | water vapor is a kind of water above 100 degrees celsius |
OpenBookQA | OpenBookQA-2363 | = ",Count[Drop[branches,gen],_Real,\[Infinity]]/4" "" ""Length = ",SetAccuracy[Count[Drop[branches,gen],_Real,\[Infinity]]/4*(Norm[{{pt1[[1]],0.5},{0,0}}]^gen),3]}],18],Gray],{2.3,-1.8}]},{Inset[Style[Text@TraditionalForm@Style[Row[{"Polynomial Trees by Bernat Espigulé"}],18],Gray, Opacity[0.4]],{2.3,-2}]}},P... | [
"planting flowers",
"making money",
"acquiring seeds",
"tilling gardens"
] | C | a tree can be replaced by planting a new tree |
OpenBookQA | OpenBookQA-2364 | homework-and-exercises, fluid-dynamics, evaporation
Title: On the evaporation of fluids Q. In which portion (1,2,3) there will be maximum concentration of evaporated water droplets? Or there will be uniform distribution of droplets?
Background:
Today, I noticed something really strange with my cylindrical water vessel... | [
"caffeine coming from hot cocoa",
"heat coming from hot cocoa",
"steam coming from hot cocoa",
"flavor coming from hot cocoa"
] | C | evaporation causes amount of water to decrease |
OpenBookQA | OpenBookQA-2365 | geology, mineralogy
Title: Online resources for geographical distribution of minerals I'm trying to find the geographical distribution and availability of mineral Brannerite. Is there a resource online to know or query where a certain mineral is found?
On the link page, they mention certain types of geophysical deposi... | [
"happy kittens",
"pink candles",
"wild oats",
"office supplies"
] | D | pencil lead contains mineral graphite |
OpenBookQA | OpenBookQA-2366 | only balances, deposits and withdrawals. Pollen is one of the most common allergens in the United States. 2% and specificity of 94. Then the only non-zero values of ǫijk are those with j,k= 2,3 or j,k= 3,2. [email protected] The annual rate of growth of Ontario’s population is projected to ease gradually from 1. Duke E... | [
"more living things",
"more life forms",
"more organisms",
"fewer living things"
] | D | cold environments contain few organisms |
OpenBookQA | OpenBookQA-2367 | entomology, biophysics, hearing
Title: How do small animals make loud sounds? Walking past the park today, I heard a cicada so loud I thought at first it must be some sort of large power tool. How is it that that very small animals like cicadas (crickets, etc.) can make such loud sounds? It seems intuitive that larger... | [
"croaking sounds",
"problems jumping",
"zero eardrums",
"slimy skin"
] | C | a frog eats insects |
OpenBookQA | OpenBookQA-2368 | zoology, ichthyology, marine-biology
Switek goes on to to talk about exceptions in some marine mammals:
At this point some of you might raise the point that living pinnipeds like seals and sea lions move in a side-to-side motion underwater. That may be true on a superficial level, but pinnipeds primarily use their mo... | [
"bluejays",
"felines",
"penguins",
"cattle"
] | C | flippers are used for moving in water |
OpenBookQA | OpenBookQA-2369 | fluid-statics
Title: Is this watering with gravity concept possible with physics?
I was thinking of putting together a auto watering scheme for my plants. Main objective is to just have one place to fill water, and it will disperse to several cups equally. I might have the physics wrong but i remember some force whic... | [
"ears",
"eyes",
"mouth",
"shoot"
] | D | a plant stem is the vehicle for transporting water and food from roots to the rest of the plant |
OpenBookQA | OpenBookQA-2370 | mechanical-engineering, materials, automotive-engineering
Any time you've got a hot thing that needs to be cooled by convection, the limitation is the interface between the air and the object to be cooled. A thin copper plating -- or even making the whole rotor out of copper -- isn't going to help this.
The followin... | [
"H2O in a jug",
"fire in a house",
"salt in a shaker",
"corn in a stove"
] | A | if something is a raw material in a process then that something is required for that process |
OpenBookQA | OpenBookQA-2371 | evolution, psychology, sociobiology
Title: Female preference for males who are already in a relationship A common saying is that women are generally more attracted towards men who are already in a relationship, and this phenomena does seem to have its own place in popular culture that is not matched by a corresponding... | [
"they could become overpopulated",
"their population could drop to the sum of negative two and two",
"they could all become sharks",
"they could mate with killer whales"
] | B | if all members of a species cannot produce offspring then that species will likely become extinct |
OpenBookQA | OpenBookQA-2372 | evolution, zoology
Let's say the environmental challenge for two different kinds of carnivore (let's call them Bogs and Dats) is to catch Mophers. Both Bogs and Dats initially have the same medium-to-short muzzles. Some Bog individuals figure out that they can dig Mophers out of their burrows, and some Dat individu... | [
"they are escaping predators",
"their ancestors did the same thing",
"they heard on the news that war was coming",
"They are getting away from the hot sun"
] | B | hibernation is an inherited behavior |
OpenBookQA | OpenBookQA-2373 | thermodynamics, water, freezing
IMHO we now have a pretty decent picture of what is (and isn’t) happening. Remember, the objective is to make an impressive fog. It is exponentially important to have hot water in order to drive a lot of H2O into the vapor phase. It is important to do a decent job of tossing the water, ... | [
"bubbles are seen",
"food is cold",
"water is warm",
"salt is added"
] | A | boiling point means temperature above which a liquid boils |
OpenBookQA | OpenBookQA-2374 | food, decomposition
Title: Worm compost cannot have cooked food I live in the Netherlands and it is getting fashionable to compost with worms. After investigating a few websites I noticed that most websites suggested that I cannot feed the worms leftovers from citrus fruits. This seems logical. I then started noticing... | [
"water",
"dirt",
"insect destroyers",
"tools"
] | C | eating food that contains pesticides can have a negative impact on humans |
OpenBookQA | OpenBookQA-2375 | everyday-chemistry, stoichiometry
Assume air is, in vol %, ($N_2$,78.08%), ($O_2$,20.95%), (Ar, 0.93%), ($CO_2$, 0.04%) where the $CO_2$ percentage has been made to take up the slack in trace elements so the total for air is 100% by volume.
I want a table in atomic percent for each element for a block of EPS. The el... | [
"by greenery",
"by detectors",
"by scientists",
"by people"
] | A | carbon dioxide can be found in the air |
OpenBookQA | OpenBookQA-2376 | ecology
Title: Do invasive species cause long-term damage to ecosystems they invade? Growing up in the U.S., I was warned at various times of the dire consequences of a variety of introduced pests (usually insects).
Japanese beetles, gypsy moths, and most recently the brown marmorated stink bug are all introduced pest... | [
"desert",
"snow",
"rain forest",
"tundra"
] | B | the Earth contains many ecosystems |
OpenBookQA | OpenBookQA-2377 | python, performance, physics, genetic-algorithm
Title: Evolutionary algorithm to optimize the range of a glider I created an evolutionary algorithm that optimises the range of a "glider"...ignore the accuracy of the physics behind the problem!
Any comments on how to improve the algorithm/my coding style would be great... | [
"sinks the glider",
"speeds the glider",
"crashes the glider",
"slow the glider"
] | D | friction causes the speed of an object to decrease |
OpenBookQA | OpenBookQA-2378 | magnetic-fields, earth
Title: Would a compass on its side point at the ground? From a point just north of the equator, A straight line to the Magnetic North would be through the earth. If a compass was turned on it's side, would the north pointing arrow point toward the ground along that straight line? A compass is us... | [
"a taxi driver",
"a middle-schooler",
"a dog",
"a 1700's pirate"
] | D | a compass is used to navigate oceans |
OpenBookQA | OpenBookQA-2379 | atmosphere, moon, sun
Title: Why were both the sun and the moon red today? Today was a normal day, except the sun and moon colors were strange. After 5pm, the sky was covered with cirrostratus-like translucent clouds and the sky was a blend of blue and grey.
Everything would be fine, except that the sun was orange bet... | [
"the witch at the top of the hill has placed a spell on the town",
"a warm front has moved overhead",
"a funeral is about to start at the church across the street",
"the earth is moving through a dark area of space"
] | B | a warm front causes cloudy and rainy weather |
OpenBookQA | OpenBookQA-2380 | sun, vision, biology, eclipse, laboratory-safety
Title: Why aren't 100% UV blocked sunglasses safe to view an eclipse with? I am not planning on staring into the sun during an eclipse or any other time.
I have been reading about how no variety of regular sunglasses are safe enough to view the eclipse with. I'm not tal... | [
"skin burns",
"blindness",
"fashion disasters",
"bad grades"
] | B | safety goggles are used for protecting the eyes during experiments |
OpenBookQA | OpenBookQA-2381 | organic-chemistry, catalysis, green-chemistry
Title: How does the work that won the 2012 Sustainable Chemistry Award contribute to sustainable chemistry? I'm seeking a lay explanation for how the work of Dr Marc Taillefer that won the 2012 European Sustainable Chemistry Award, contributes to sustainable chemistry.
Fro... | [
"have seven more children",
"throw away plastic containers",
"put plastic in special containers",
"burn old rubber shoes"
] | C | recycling has a positive impact on the environment |
OpenBookQA | OpenBookQA-2382 | mass, astronomy, measurements, asteroids
$$ {\bf g}_{\rm rad} = \left(\frac{L_\odot a^2}{4 m r^2}\right) e_r\ .$$
Thus the trajectory will be determined by an acceleration that is slightly smaller than the gravity due to the Sun by an amount that depends on the ratio the area it presents to the Sun divided by its ma... | [
"be blown up",
"be yanked in",
"be pushed away",
"be evaporated"
] | B | as distance from an object decreases , the the pull of gravity on that object increases |
OpenBookQA | OpenBookQA-2383 | statistical-mechanics, atmospheric-science, density
A limnic eruption, also referred to as a lake overturn, is a rare type of natural disaster in which dissolved carbon dioxide (CO2) suddenly erupts from deep lake waters, forming a gas cloud that can suffocate wildlife, livestock and humans. Such an eruption may also ... | [
"freeze",
"drown",
"float",
"dissipate"
] | D | a kettle is formed when chunks of ice left by glaciers melt |
OpenBookQA | OpenBookQA-2384 | thermodynamics, evaporation, gas, liquid-state
On the water surface, knowing the temperature, we can estimate the vapor pressure and vapor mixture fraction. Then there will be an diffusion process for the water vapor to move out and for the ambient air to move in. Because the water surface doesn't allow the air to fur... | [
"a shovel",
"a doorbell",
"a hydrangea",
"a mouse"
] | C | transpiration usually happens in the leaves of a plant |
OpenBookQA | OpenBookQA-2385 | ecology, population-dynamics, ecosystem, antipredator-adaptation, predation
I would also like to talk about other things that might be of interest in your model (two of them need you to allow evolutionary processes in your model):
1) lineage selection: predators that eat too much end up disappearing because they cause... | [
"become vegetarians",
"increase in population",
"have more food",
"have lower numbers"
] | D | as the supply of food in an environment decreases , the population of animals in that environment will decrease |
OpenBookQA | OpenBookQA-2386 | agriculture
The primary cereals for making bread are wheat and rye, while barley and oats may be mixed in. Historically significant portions of the rural population of Europe were sustained by cereal-based food in the form of gruel and porridge rather than by bread, especially prior to the introduction of the potato. ... | [
"tobacco and cocoa",
"corn and peas",
"wheat and rice",
"melon and beans"
] | A | humans eat crops |
OpenBookQA | OpenBookQA-2387 | the-moon, night-sky
And another useful reference at planetarium.madison.k12.wi.us:
At the beginning of Winter, when it's nighttime all of the time, the moon would be in the sky for the 2 weeks closest to Full Moon, and then below the horizon for the next 2 weeks. And at the beginning of Spring (click on the graphic),... | [
"a week",
"a day",
"a fortnight",
"a month"
] | D | each of the moon 's phases usually occurs once per month |
OpenBookQA | OpenBookQA-2388 | zoology, sensation
Title: Can animals that rely heavily on sonar sense colour? Apparently there're species around as rely heavily on sonar to sense the world around them.
E.g. Bat, Dolphin, Whale ...
The humans, and other terrestrial beings in a lighted world are capable of distinguishing colour in varying degrees of... | [
"a whale",
"a sea lion",
"an octopus",
"a shark"
] | C | octopuses releasing ink into the water causes predators to have difficulty seeing the octopus |
OpenBookQA | OpenBookQA-2389 | zoology, ecology, species-distribution, migration
Title: How do animals end up in remote areas? I was thinking specifically about random marshy water holes on farmers fields. It seems that you can visit just about any one of these and you will find frogs if you look hard enough.
They usually don't seem to be connected... | [
"dark caverns",
"leaf colored",
"under water",
"lava filled"
] | B | a forest environment is often green in color |
OpenBookQA | OpenBookQA-2390 | thermodynamics, water, freezing
IMHO we now have a pretty decent picture of what is (and isn’t) happening. Remember, the objective is to make an impressive fog. It is exponentially important to have hot water in order to drive a lot of H2O into the vapor phase. It is important to do a decent job of tossing the water, ... | [
"sing",
"fry",
"rot",
"dribble"
] | D | matter in the liquid state drips |
OpenBookQA | OpenBookQA-2391 | species-identification, entomology
Title: Bug on wall identification request I've been finding a few of these on the same wall of my apartment the path month. Size is maybe 3-5 mm.
I live in an apartment in Toronto Canada.
Thanks in advance! Without clearer photos it is pretty hard to say, however, I think it is likel... | [
"quick to spot",
"fast to locate",
"rough to spot",
"easy to see"
] | C | An example of camouflage is when something is the same color as its environment |
OpenBookQA | OpenBookQA-2392 | ecology
Title: Do invasive species cause long-term damage to ecosystems they invade? Growing up in the U.S., I was warned at various times of the dire consequences of a variety of introduced pests (usually insects).
Japanese beetles, gypsy moths, and most recently the brown marmorated stink bug are all introduced pest... | [
"all trees have been razed",
"the lake is overflooded",
"the desert experiences high winds",
"the tundra's average temperature increases slightly"
] | A | if a habitat is removed then that habitat is destroyed |
OpenBookQA | OpenBookQA-2393 | species-identification, zoology, bone-biology, bone
Title: What is this bone from? This object showed up on my fire escape in New York city. It appears to be some kind of bone. It's a bit smaller than an adult human hand. What animal is it from? Given the size and thin/elongated ilia as well as the urban location, I t... | [
"a human garbage dump",
"an icy barren tundra",
"an arid desert plain",
"a tropical rain forest"
] | A | raccoons eat garbage |
OpenBookQA | OpenBookQA-2394 | waves, atmospheric-science, turbulence
The clouds form if the rising air reaches the lifted condensation level before the updrafts are stopped by an inversion or stable layer. The air is (relatively) clear above the downdrafts. If the convection rolls were perfectly circular, the cloud row spacing would be twice the ... | [
"fluttering",
"laughing",
"crowing",
"leaking"
] | D | precipitation is when water falls from the sky |
OpenBookQA | OpenBookQA-2395 | zoology
Capybara, rabbits, hamsters and other related species do not have a complex ruminant digestive system. Instead they extract more nutrition from grass by giving their food a second pass through the gut. Soft fecal pellets of partially digested food are excreted and generally consumed immediately. Consuming thes... | [
"eat marshmallows",
"burn bridges",
"eat cats",
"create sugars"
] | D | a producer is a source of sugar in an ecosystem |
OpenBookQA | OpenBookQA-2396 | star, orbit, the-sun
Title: Does the Sun turn around a big star? The Moon orbits the Earth.
The Earth orbits the Sun.
Does the Sun orbit another bigger star?
If so, does this star orbit, in turn, a very big star?
... etc ...
What are all the intermediate subsystems up to motion around the center of the Milky Way? ... | [
"freeze solid",
"become miniature",
"explode",
"enjoy various seasons"
] | D | the Earth revolving around the Sun causes the seasons to occur on its axis |
OpenBookQA | OpenBookQA-2397 | optics, everyday-life
Title: Weird phenomenon when passing light through a net Came across this weird "phenomenon" yesterday and looked everywhere for the reason.
when placed at a certain point the light illuminates only the vertical strings of the net.
creepy ...
given the light source must be in the same orientatio... | [
"a shoe",
"a steel dish",
"a teabag",
"a cat"
] | B | a mirror reflects light |
OpenBookQA | OpenBookQA-2398 | zoology, sensation
Title: Can animals that rely heavily on sonar sense colour? Apparently there're species around as rely heavily on sonar to sense the world around them.
E.g. Bat, Dolphin, Whale ...
The humans, and other terrestrial beings in a lighted world are capable of distinguishing colour in varying degrees of... | [
"read",
"view",
"walk",
"hear"
] | B | seeing is used for sensing visual things |
OpenBookQA | OpenBookQA-2399 | Here, since counting the number of total fish in the pond is hard, they tagged 50 and let them disperse evenly in the population. Then they caught 50 and found 2 to be tagged. So approximately 4% of the fish were tagged. So 50 is 4% of the entire fish population of the pond. Note that the method uses huge approximation... | [
"is tasteless",
"is more",
"is booming",
"is less"
] | D | as available water in an environment decreases , the amount of available food in that environment will decrease |
OpenBookQA | OpenBookQA-2400 | Here is one solution in $12$ pieces.
• Six of the pieces here only have crust on one corner, but didn't the problem say absolutely none? – Trejkaz Sep 2 '13 at 5:29
• @Trejkaz: The requirement is only that the measure of crust included in some piece $A_i$, i.e. $\lambda(A_i \cap \partial D)$, be 0. A single point of i... | [
"a tribe of human-like beings that live underground",
"the best pizza crust around",
"the ice that forms in cold regions",
"the outer covering of the third planet from the sun"
] | D | the crust is a layer of the Earth |
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