7. 1 2 3 4 5

8. 1 2 3 4 5

10. 1 2 3 4 5

11. 1 Is it possible to move Earth? Describe some of the ways it could be done. 2 3 4 5

12. 1 2 Earth’s tilt is currently 23.5 degrees. What would change on Earth if that angle was bigger? Smaller? 3 4 5

13. 1 2 3 Earth rotates on its axis once every 24 hours and revolves around the sun once every 365.25 days. What would happen if we sped these up? Slowed them down? Think beyond just timing – would weather and climate be affected? 4 5

14. 1 2 3 4 On average, Earth is 150 million kilometers away from the sun. What is the maximum distance we would probably want to be away from the sun? Minimum distance? 5

15. 1 2 3 4 5 Earth’s orbit around the sun is slightly elliptical. What affect would making the orbit more elliptical have? Making the orbit more circular?