Q: Fact: a line graph is used for showing change over time
Question: What does the earth orbit that makes the seasons to change?
OPTIONS:
- pluto
- plasma star
- venus
- mercury

A: plasma star

Q: Fact: matter vibrating can cause sound
Question: Which is most characterized by the vibration of air?
OPTIONS:
- a viola
- a brick
- a blood cell
- a flashlight

A: a viola

Q: Fact: doing chores is a learned characteristic
Question: A learned behavior is exhibited when
OPTIONS:
- squinting in bright light
- nailing up a picture frame
- blinking and gulping air
- inhaling and exhaling during sleep

A: nailing up a picture frame

Q: Fact: cloudy means the presence of clouds in the sky
Question: a cloudy day may obstruct visibility of which of these?
OPTIONS:
- the screen on a smartphone
- our planet's closest star
- the teacher in the class
- the waitress's name tag

A:
our planet's closest star