Across
- 6. Something that is suitable or good enough live on.
- 8. Which planet are scientists researching to see if people can live there or not?
- 9. What do asteroids turn in to when they reach Earth’s atmosphere?
- 12. What doesn’t change when you are in different planets?
- 14. Which geographic feature happens when two plates slide past each other?
- 15. when two plates move away from each other
- 16. Outer planets are ————- than inner planets.
- 17. The second closest planet to the sun.
- 19. Inner planets are ————- than outer planets.
- 20. the measure of the effect of gravity on an object.
Down
- 1. Planets Do outer planets or inner planets rotate faster?
- 2. Who was the first person to discover gravity?
- 3. Who expanded on Isaac Newton’s ideas of gravity?
- 4. when two plates slide past each other
- 5. The supercontinent before all the continents separated.
- 7. when two plates collide with each other
- 10. small metallic objects, that are to small to be planets, but orbit the sun.
- 11. The biggest planet in the solar system.
- 13. What is the only planet that can support life?
- 18. a force of attraction due to their masses