- 1. A body in space which orbits a star
A) galaxy
B) star
C) moon
D) planet
- 2. A body in space which orbits a planet
A) galaxy
B) star
C) asteroid
D) moon
- 3. All of space and everything in it
A) universe
B) galaxy
C) solar system
D) none of these
- 4. The Big Bang Theory explains
A) How the moon was formed
B) How water got on Earth
C) How the universe began
D) What killed the dinosaurs
- 5. The Sun is the largest object in our solar system
A) True
B) False
- 6. The time it takes the earth to revolve around the sun one time is a
A) year
B) day
C) month
- 7. The time it takes the earth to spin one time on its axis is a
A) day
B) year
C) month
- 8. The earth is tilted on its axis as it travels around the sun. This causes
A) night and day
B) seasons
C) bad weather
D) and eclipse
- 9. The force that holds the planets in orbit around the sun is
A) pressure
B) magnetic
C) mass
D) gravity
- 10. planets closer to the sun have longer years than those farther away
A) true
B) false
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