Q: Fact 1: Temperature falls from the equator to the poles. Fact 2: All temperatures are measures of heat energy. Given the two facts above, what falls from the equator to the poles? | OPTIONS:
- precipitation
- heat energy
- Greenhouse gases
- sunlight
- carbon dioxide
- water vapor
- sun's heat
- energy
A: heat energy

Q: Fact 1: If a planet becomes too hot then that planet cannot sustain life. Fact 2: Another name for Mars is the Red Planet. Given the two facts above, what happens if Mars becomes too hot? | OPTIONS:
- Plant growth is reduced
- They may not survive.
- decreases its bodily water
- It becomes dormant
- it will collide with Earth
- it will stop rotating
- it cannot sustain life
- it will freeze
A: it cannot sustain life

Q: Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, what kind of circulatory system do reptiles have? | OPTIONS:
- open
- systemic
- complex
- dense
- cold
- three
- closed
- organ
A: closed

Q: Fact 1: The force of water against the seed coat causes a root to emerge from a seed. Fact 2: Acorns are the seeds of oak trees. Given the two facts above, what causes a root to emerge from an acorn? | OPTIONS:
- lipids
- leaves
- air
- water
- glaciers
- erosion
- fungi
- solutes
A: water