Across
- 2. the force that pulls you towards the center of a planet or star
- 5. farthest planet from the sun
- 8. a rocky planet; Mercury, Venus, Earth, Mars
- 11. It takes Earth 365 days to _______ the sun.
- 12. closest planet to the sun
Down
- 1. The sun's surface is made up of _______ gas.
- 3. to spin on an axis; causes day and night
- 4. biggest planet
- 6. number of planets in our solar system
- 7. Jupiter, Saturn, Uranus, and Neptune are _______ giants.
- 9. causes the seasons
- 10. Earth's composition is solid rock and _______ water.