1. Review game Students break into teams of 4 Each team will discuss and answer each question Scoring sheets are handed in at the end. 5 points to winning team 4 points for 2 nd 3 points 3 rd 2 points 4 th 1 point for 5 th 0 for 6th

2. 1-Day and night are caused by the Earth’s _______________ on its axis rotation

3. 2-What force pulls the Earth and Moon towards each other? gravity

4. 3-Maria on the moon was made by _________ ________ lava flows

5. 4-What causes the tides? The moons gravity pulling on the Earth

6. 5-North America experiences summer when ___________ The northern hemisphere is tilted toward the sun

7. 6-Why were multi-stage rockets developed? To carry enough fuel to get a rocket into space

8. 7-It takes 1 year for the Earth to __________ around the sun. Revolve

9. 8-For every action there is an equal and ___________ and __________ ____________. Equal and opposite reaction

10. 9-A solar eclipse is when the _________ passes between the _________ and __________. Moon, Sun, Earth

11. 10-A lunar eclipse is when the _________ passes between the _________ and __________. Earth, Sun, Moon

12. 11-Is the interior of the moon hot or cool? Cool

13. 12-What is the surface like on the far side of the moon? Much rougher than the near side

14. 13-Dark patches on the moon were once thought to be __________ oceans or seas

15. 14-How large is the moon compared to Earth? ¼ the Earth’s diameter

16. 15-The phase of the moon you see depends on the amount of the ________ _______ of the moon visible from Earth. Lighted side

17. 16-How do most scientists believe the moon was formed? When a small planet collided with the Earth

18. 17-During what phase can a lunar eclipse occur? Full moon

19. 18-Most places on Earth experience how many tides a day? 2

20. Why is only one side of the moon visible from Earth? The moon rotates once every 27 days, and revolves around the Earth every 27 days

21. A geosynchronous orbit stays above __________ _________ on the Earth’s surface. The same location

22. An Equinox occurs when: ________________________ The length of the day and night are equal (Sun is directly above the equator)