Across
- 4. atmosphere traps heat in a process called
- 6. another name for the four inner planets
- 7. currently has ice, but may have had liquid water in the past
- 8. Latin word for "Earth"
- 9. small, dense and have rocky surfaces
- 10. has liquid water and atmosphere
Down
- 1. inner planets differ in size, distance from sun and
- 2. closest planet to the sun
- 3. rotates from east to west
- 5. Mars atmosphere is 95%