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Mercury_7003868
Which organ is most responsible for oxygen entering the blood stream?
{ "text": [ "nose", "trachea", "bronchi", "lungs" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: nose", "B: trachea", "C: bronchi", "D: lungs" ]
NCEOGA2013_8_20
Why is a healthy diet important?
{ "text": [ "It maintains a constant body temperature.", "It prevents damage to internal organs.", "It makes oxygen for all the cells in the body.", "It supplies the body’s needs for growth and energy." ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: It maintains a constant body temperature.", "B: It prevents damage to internal organs.", "C: It makes oxygen for all the cells in the body.", "D: It supplies the body’s needs for growth and energy." ]
Mercury_SC_402631
In the human body, the breaking down of food into simple substances occurs in the
{ "text": [ "digestive system.", "excretory system.", "circulatory system.", "respiratory system." ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: digestive system.", "B: excretory system.", "C: circulatory system.", "D: respiratory system." ]
Mercury_188650
Which of the following processes is an important part of star formation?
{ "text": [ "nuclear fusion", "nuclear fission", "molecular fusion", "molecular fission" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: nuclear fusion", "B: nuclear fission", "C: molecular fusion", "D: molecular fission" ]
Mercury_SC_409152
Carlos puts a new battery into a radio. What does the battery supply to the radio that makes it turn on?
{ "text": [ "friction", "electricity", "a sound wave", "a magnetic field" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: friction", "B: electricity", "C: a sound wave", "D: a magnetic field" ]
Mercury_7139983
What may form as a direct result of a star collapsing?
{ "text": [ "constellation", "galaxy", "protostar", "supernova" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: constellation", "B: galaxy", "C: protostar", "D: supernova" ]
MCAS_2008_8_5708
A shoe manufacturer randomly selects 10% of the production from each shift. Each of these shoes is checked to ensure that it is correctly made. What is this process called?
{ "text": [ "quality control", "product distribution", "production selection", "research and development" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: quality control", "B: product distribution", "C: production selection", "D: research and development" ]
MSA_2012_5_36
Some materials are electrical conductors. Which material best conducts electricity?
{ "text": [ "copper", "plastic", "rubber", "wood" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: copper", "B: plastic", "C: rubber", "D: wood" ]
Mercury_SC_408343
Angela wants to report daily weather conditions. In which unit should Angela record the air temperature?
{ "text": [ "degrees Celsius", "centimeters", "milliliters", "grams" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: degrees Celsius", "B: centimeters", "C: milliliters", "D: grams" ]
Mercury_7113908
Which organisms use the energy from the remains of dead animals and recycle the nutrients back into the environment?
{ "text": [ "producers", "herbivores", "omnivores", "decomposers" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: producers", "B: herbivores", "C: omnivores", "D: decomposers" ]
OHAT_2007_5_8
Which is the first step in a design process?
{ "text": [ "Revise the solution.", "Describe the problem.", "Test the possible solutions.", "Identify possible solutions." ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: Revise the solution.", "B: Describe the problem.", "C: Test the possible solutions.", "D: Identify possible solutions." ]
Mercury_7043803
What type of chemical reaction occurs when the body breaks down fats and sugars that supply it with energy?
{ "text": [ "endothermic", "exothermic", "electrical", "physical" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: endothermic", "B: exothermic", "C: electrical", "D: physical" ]
Mercury_7222723
Intense heat and pressure in Earth's crust can change sandstone into quartzite. During this metamorphosis, many properties of these rocks change. Which property of these rocks will most likely remain the same?
{ "text": [ "mass", "volume", "crystal structure", "particle shape" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: mass", "B: volume", "C: crystal structure", "D: particle shape" ]
NYSEDREGENTS_2006_8_40
How do decomposers obtain their food?
{ "text": [ "hunting and killing prey for food", "changing carbon dioxide and water into food", "absorbing food from dead organisms", "producing food from oxygen and sunlight" ], "label": [ "1", "2", "3", "4" ] }
3
[ "1: hunting and killing prey for food", "2: changing carbon dioxide and water into food", "3: absorbing food from dead organisms", "4: producing food from oxygen and sunlight" ]
Mercury_177240
A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the
{ "text": [ "law of gravity.", "first law of motion.", "second law of motion.", "third law of motion." ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: law of gravity.", "B: first law of motion.", "C: second law of motion.", "D: third law of motion." ]
Mercury_7105140
Why is it important to have a large sample size in an investigation?
{ "text": [ "to be able to compare results", "to increase the validity of the data", "to form the best conclusion", "to ensure the procedure is followed" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: to be able to compare results", "B: to increase the validity of the data", "C: to form the best conclusion", "D: to ensure the procedure is followed" ]
MCAS_1999_4_14
Burt used a spoon to stir soup that was cooking on his stove. Which spoon will stay the coolest while he stirs?
{ "text": [ "an iron spoon", "an aluminum spoon", "a wooden spoon", "a silver spoon" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: an iron spoon", "B: an aluminum spoon", "C: a wooden spoon", "D: a silver spoon" ]
Mercury_7283763
Which is a distinction between an epidemic and a pandemic?
{ "text": [ "the symptoms of the disease", "the geographical area affected", "the species of organisms infected", "the season in which the disease spreads" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: the symptoms of the disease", "B: the geographical area affected", "C: the species of organisms infected", "D: the season in which the disease spreads" ]
Mercury_7130795
When two bumper cars collide, some of the kinetic energy of the cars is transformed. Which form of energy is most likely formed as a result of this collision?
{ "text": [ "electrical", "electromagnetic", "magnetic", "sound" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: electrical", "B: electromagnetic", "C: magnetic", "D: sound" ]
ACTAAP_2015_5_5
Which statement describes all matter?
{ "text": [ "All matter contains carbon.", "All matter contains oxygen.", "All matter is made up of cells.", "All matter is made up of atoms." ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: All matter contains carbon.", "B: All matter contains oxygen.", "C: All matter is made up of cells.", "D: All matter is made up of atoms." ]
Mercury_SC_402126
Carbon dioxide is removed from Earth's atmosphere by
{ "text": [ "animal respiration.", "decaying organisms.", "plant photosynthesis.", "burning fossil fuels." ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: animal respiration.", "B: decaying organisms.", "C: plant photosynthesis.", "D: burning fossil fuels." ]
Mercury_SC_408974
A water company uses lab tests on the water supply before sending the water through pipes to people's homes. How do these lab tests help people?
{ "text": [ "by adding minerals and nutrients to the water", "by checking the water to make sure it is safe to drink", "by filtering chemicals and organisms out of the water", "by stopping harmful substances from entering the water" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: by adding minerals and nutrients to the water", "B: by checking the water to make sure it is safe to drink", "C: by filtering chemicals and organisms out of the water", "D: by stopping harmful substances from entering the water" ]
Mercury_SC_402158
What safety rule is most important for students to follow when working with acids and bases?
{ "text": [ "wear nose plugs", "put on safety goggles", "put away all lab supplies", "wear heavy cloth gloves" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: wear nose plugs", "B: put on safety goggles", "C: put away all lab supplies", "D: wear heavy cloth gloves" ]
TIMSS_2003_8_pg32
A person in a dark room looking through a window can clearly see a person outside in the daylight. But a person outside cannot see the person inside. Why does this happen?
{ "text": [ "There is not enough light being reflected off the person in the room.", "Light rays cannot pass through a window twice.", "Outside light does not pass through windows.", "Sunlight is not as intense as other sources of light." ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: There is not enough light being reflected off the person in the room.", "B: Light rays cannot pass through a window twice.", "C: Outside light does not pass through windows.", "D: Sunlight is not as intense as other sources of light." ]
MDSA_2007_8_18
Many processes on Earth occur at or near tectonic plate boundaries. Which geological events are most common along tectonic plate boundaries?
{ "text": [ "erosion and deposition", "hurricanes and tornadoes", "earthquakes and volcanoes", "tidal waves and sedimentation" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: erosion and deposition", "B: hurricanes and tornadoes", "C: earthquakes and volcanoes", "D: tidal waves and sedimentation" ]
MEAP_2005_8_41
Two pool (billiard) balls collide, causing each to move in a different direction. Eventually, both come to a stop. The most important factor in causing them to stop is
{ "text": [ "balance.", "friction.", "gravity.", "size." ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: balance.", "B: friction.", "C: gravity.", "D: size." ]
Mercury_7085348
Which of these provides the best evidence that the environment of Earth has changed over millions of years?
{ "text": [ "active migration of sand dunes", "polished appearance of rock surfaces", "marine fossils found in mountains", "bones of animals found on the ground" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: active migration of sand dunes", "B: polished appearance of rock surfaces", "C: marine fossils found in mountains", "D: bones of animals found on the ground" ]
AKDE&ED_2012_4_27
Which physical characteristic do some organisms have that helps them survive in the Arctic?
{ "text": [ "growing tall to hide in trees", "changing fur color to hide from predators", "developing large paws to protect themselves from the wind", "producing shallow root systems to protect themselves from the cold air" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: growing tall to hide in trees", "B: changing fur color to hide from predators", "C: developing large paws to protect themselves from the wind", "D: producing shallow root systems to protect themselves from the cold air" ]
MCAS_2006_9_23
Which of the following occurs during photosynthesis?
{ "text": [ "CO2 is used to produce water.", "CO2 is absorbed by mitochondria.", "CO2 and H2O are converted to carbohydrates.", "CO2 and H2O are combined into carbonic acid." ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: CO2 is used to produce water.", "B: CO2 is absorbed by mitochondria.", "C: CO2 and H2O are converted to carbohydrates.", "D: CO2 and H2O are combined into carbonic acid." ]
Mercury_7098998
A common characteristic of all living things is that they
{ "text": [ "breathe air.", "walk upright.", "are made of cells.", "use sunlight for growth." ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: breathe air.", "B: walk upright.", "C: are made of cells.", "D: use sunlight for growth." ]
Mercury_7218208
In the solar system, moons orbit planets. Which of these do planets orbit?
{ "text": [ "the Sun", "Halley's comet", "the asteroid belt", "a black hole" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: the Sun", "B: Halley's comet", "C: the asteroid belt", "D: a black hole" ]
Mercury_7205433
Visible light is which type of wave?
{ "text": [ "seismic", "mechanical", "longitudinal", "electromagnetic" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: seismic", "B: mechanical", "C: longitudinal", "D: electromagnetic" ]
Mercury_7137708
In some national parks, controlled fires are maintained by firefighters. Which of these is one of the major reasons for using controlled burns to maintain certain ecosystems?
{ "text": [ "to give nonnative plants a chance to colonize the region", "to prevent the spread of pests that cause damage to plants", "to replace matured plants with saplings of the same species", "to rid the forest floor of accumulated deadwood and brush" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: to give nonnative plants a chance to colonize the region", "B: to prevent the spread of pests that cause damage to plants", "C: to replace matured plants with saplings of the same species", "D: to rid the forest floor of accumulated deadwood and brush" ]
MCAS_2016_5_3
Which of the following actions is most likely part of a test to find the hardness of a mineral sample?
{ "text": [ "heating the sample on a hot plate", "scratching the sample with a nail", "hitting the sample with a hammer", "shining a bright light on the sample" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: heating the sample on a hot plate", "B: scratching the sample with a nail", "C: hitting the sample with a hammer", "D: shining a bright light on the sample" ]
MEA_2010_8_3
In Costa Rica a small tree, the acacia, provides shelter and food for ants. The ants protect the acacia by removing other insects and vines that might harm it. Which term best describes the relationship between the acacia and the ants?
{ "text": [ "competition", "mutualism", "parasitism", "predation" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: competition", "B: mutualism", "C: parasitism", "D: predation" ]
NYSEDREGENTS_2005_4_25
A car skids along the road and smoke appears to be coming from under the tires. The heat that produces the smoke is caused by
{ "text": [ "magnetism", "sound", "light", "friction" ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: magnetism", "B: sound", "C: light", "D: friction" ]
Mercury_SC_415403
A glacier sometimes leaves behind large chunks of ice. What is left in the ground when these chunks of ice melt?
{ "text": [ "a valley", "a kettle", "a crater", "a sinkhole" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: a valley", "B: a kettle", "C: a crater", "D: a sinkhole" ]
Mercury_7099435
A student uses a high-efficiency gasoline lawnmower to cut grass. The term "high efficiency" is used to indicate that the lawnmower
{ "text": [ "cuts better than other lawnmowers.", "is easier to use than other lawnmowers.", "uses less energy than other lawnmowers.", "requires more fuel than other lawnmowers." ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: cuts better than other lawnmowers.", "B: is easier to use than other lawnmowers.", "C: uses less energy than other lawnmowers.", "D: requires more fuel than other lawnmowers." ]
NYSEDREGENTS_2005_8_37
Which example would result in new cells that are most different from the parent cells?
{ "text": [ "yeast cells splitting into new cells", "bacteria cells dividing into new cells", "skin cells dividing to produce more skin cells", "sperm and egg cells uniting to produce fertilized egg cells" ], "label": [ "1", "2", "3", "4" ] }
4
[ "1: yeast cells splitting into new cells", "2: bacteria cells dividing into new cells", "3: skin cells dividing to produce more skin cells", "4: sperm and egg cells uniting to produce fertilized egg cells" ]
VASoL_2007_3_23
A dog gets the energy it needs to run from ___.
{ "text": [ "the air", "the Sun", "food", "water" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: the air", "B: the Sun", "C: food", "D: water" ]
Mercury_7252770
Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?
{ "text": [ "light levels", "moon phases", "seasonal temperatures", "carbon dioxide levels" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: light levels", "B: moon phases", "C: seasonal temperatures", "D: carbon dioxide levels" ]
TIMSS_2007_4_pg30
Smoking harms the body in many ways. It is most harmful to which organ?
{ "text": [ "lung", "kidney", "liver", "stomach" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: lung", "B: kidney", "C: liver", "D: stomach" ]
Mercury_7110040
In 1609, Galileo Galilei used lenses to construct the first telescope. His telescope allowed him to observe many objects in space. His invention of the telescope and the data he gathered directly contributed to the understanding that
{ "text": [ "Earth is the center of the universe.", "the planets revolve around the Sun.", "all stars eventually explode.", "the universe has many galaxies." ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: Earth is the center of the universe.", "B: the planets revolve around the Sun.", "C: all stars eventually explode.", "D: the universe has many galaxies." ]
NYSEDREGENTS_2004_8_14
The energy obtained from food is measured in units called
{ "text": [ "watts", "Calories", "degrees", "pounds" ], "label": [ "1", "2", "3", "4" ] }
2
[ "1: watts", "2: Calories", "3: degrees", "4: pounds" ]
Mercury_7138600
Which part of the body works closely with the digestive system to transport nutrients to the cells?
{ "text": [ "lungs", "blood", "kidneys", "esophagus" ], "label": [ "A", "B", "C", "D" ] }
B
[ "A: lungs", "B: blood", "C: kidneys", "D: esophagus" ]
NYSEDREGENTS_2016_4_2
An example of a learned behavior is
{ "text": [ "driving a car", "having blue eyes", "shivering in the cold", "breathing air" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: driving a car", "B: having blue eyes", "C: shivering in the cold", "D: breathing air" ]
CSZ_2009_8_CSZ20770
Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?
{ "text": [ "I and O", "Ir and O", "Fe and O", "Pb and O" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: I and O", "B: Ir and O", "C: Fe and O", "D: Pb and O" ]
Mercury_7181318
When water evaporates from Earth's surface into the atmosphere, its molecules enter the gas state. What change in this gas causes molecules to condense into the small water droplets that form clouds?
{ "text": [ "The mass is reduced.", "The volume is increased.", "The temperature is reduced.", "The pressure is increased." ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: The mass is reduced.", "B: The volume is increased.", "C: The temperature is reduced.", "D: The pressure is increased." ]
Mercury_7010080
Which process directly adds carbon into the atmosphere?
{ "text": [ "increasing plant populations", "decreasing animal populations", "burning fossil fuels", "forming sedimentary rock" ], "label": [ "A", "B", "C", "D" ] }
C
[ "A: increasing plant populations", "B: decreasing animal populations", "C: burning fossil fuels", "D: forming sedimentary rock" ]
NCEOGA_2013_8_37
Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
{ "text": [ "They swim the same way.", "They eat the same food.", "They live in the same area of the ocean.", "They have similar anatomies." ], "label": [ "A", "B", "C", "D" ] }
D
[ "A: They swim the same way.", "B: They eat the same food.", "C: They live in the same area of the ocean.", "D: They have similar anatomies." ]
Mercury_7188563
A particular organism is able to survive in an environment due to a thick layer of fat beneath its skin. In which situation would the layer of fat most likely be a survival advantage?
{ "text": [ "swimming in arctic waters", "eating large amounts of fish", "being preyed upon by other animals", "living in an environment with high temperatures" ], "label": [ "A", "B", "C", "D" ] }
A
[ "A: swimming in arctic waters", "B: eating large amounts of fish", "C: being preyed upon by other animals", "D: living in an environment with high temperatures" ]