Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats. Given the two facts above, ethologists usually study how animals do what in an ecosystem?
OPTIONS:
- raising their temperature
- retaining heat
- reducing acid rain
- protect plants
- share properties
- behave in their homes
- storing water
- Generating heat
behave in their homes

Fact 1: Hitting an object causes the particles in that object to vibrate. Fact 2: Lightening is attracted to metal objects. Given the two facts above, when metal is hit, what happens to the particles?
OPTIONS:
- particles become vibrant
- flow of electrons
- It expands
- It gets heated up
- particles float
- particles vibrate
- particles get charged
- chemical changes

Answer: particles vibrate

Question: Fact 1: Heating salt water causes the water to evaporate while the salt remains. Fact 2: Steam that rises from a pot of boiling water is water than has evaporated . Given the two facts above, what happens when salt water is boiled?
OPTIONS:
- Water turns into steam
- heat is produced
- Plant growth is reduced
- get chemical reactions started
- It gets heated up
- The water gets colder
- Salt turns into steam
- The salt disappears
Answer: Water turns into steam

input with options: Fact 1: Rest has a positive impact on a health. Fact 2: Rest can include sleep as well as sitting and resting. Given the two facts above, what has a positive impact on health?
OPTIONS:
- squids
- Drugs
- running
- Sleep
- Insomnia
- tuna
- Eating dessert every night
- stamina
output: Sleep

Q: Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: Gravitation is a constant impelling force. Given the two facts above, the mass of an object causes _.?

OPTIONS:
- heat is produced
- kinetic energy
- It gets heated up
- a constant impelling force
- a tree falling
- a lot of human deaths
- principals of aerodynamics
- body temperature reduces

A: a constant impelling force

Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: Mollusks in the diorama include snails and clams. Given the two facts above, what are clams?
OPTIONS:
- lobster
- dangerous
- birds
- crabs
- a fish
- mollusks
- fertile
- Catch prey
mollusks