fact and question: matter vibrating can cause sound
Question: Which is most characterized by the vibration of air?

What's the answer? OPTIONS:
- a viola
- a brick
- a blood cell
- a flashlight

answer: a viola

fact and question: as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease
Question: The more active an animal is

What's the answer? OPTIONS:
- their water level will stay steady
- the less H2O they need to stay hydrated
- the more H20 they should take in
- the less likely they are to sweat or pant

answer: the more H20 they should take in

fact and question: as the size of a leaf increases , the amount of sunlight absorbed by that leaf will increase
Question: What does a leaf need to do to absorb the most sunlight that it can?

What's the answer? OPTIONS:
- Hide in shade
- Remain small
- Grow very large
- Change colors

answer: Grow very large

fact and question: riding a bike does not cause pollution
Question: If pollution is caused by many things, it is least likely to be caused by

What's the answer? OPTIONS:
- using styrofoam
- pedaling forward
- driving cars
- smoking cigarettes

answer:
pedaling forward