1. Solar System Review

2. What is a planet? A large object that moves around a star

3. What are the inner planets? Mercury, Venus, Earth, & Mars

4. What are the outer planets? Jupiter, Saturn, Uranus, Neptune & Pluto

5. What is a star? Burning sphere of gases

6. What is an axis? Imaginary line that Earth rotates around

7. What is an orbit? Path an object takes when revolving around another object

8. What is revolution? Movement of Earth around the sun

9. What is rotation? Spinning movement of the Earth

10. What is a comet? Small mass of ice and dust that orbits the sun

11. What are the gas giants? Name for the outer planets, except for Pluto

12. What is a satellite? An object that moves around another object

13. What is a space probe? Vehicle sent to explore space

14. What is an asteroid? Objects in a “belt” between Mars & Jupiter

15. What are phases? Changes in the apparent shape of the moon