Earth-Sun_Moon System Review

1. Welcome To Earth-Sun_Moon System Review

2. Today's Topic NEXT

3. Moon Phases NEXT

4. Seasons NEXT

5. Tides NEXT

6. Big Board Review 5 5 10 15 20 25 30 5 10 15 20 25 30 5 10 15 20 25 30 5 20 10 15 25 30 5 15 20 10 25 30 Player Scores Player One Player Three Player Two Player Four

7. Question for 5 Points An _______ occurs when the moon’s shadow hits Earth or Earth’s Shadow hits the moon. Show Answer

8. Answer for 5 Points Eclipse Back to Board

9. Question for 10 Points ___________ is the path of Earth as it revolves around the sun. Show Answer

10. Answer for 10 Points Orbit Back to Board

11. Question for 15 Points A _____ tide occurs when the sun is at right angles to the line between Earth and the moon Show Answer

12. Answer for 15 Points Neap Back to Board

13. Question for 20 Points Draw and describe the relative position of the Earth, Moon, and Sun during a spring tide. Show Answer

14. Answer for 20 Points During spring tides, the Sun, Earth, and Moon are aligned in a straight line. This requires the moon phase to be new or full. Back to Board

15. Question for 25 Points Why do we observe moon phases on Earth? Show Answer

16. Answer for 25 Points As the Moon rotates around the Earth (once every 29.5 days), the portion of the Moon that reflects sunlight back to Earth changes. Thus, the Moon goes through a lunar cycle about once every calendar month. Back to Board

17. Question for 30 Points Draw one complete cycle from new Moon to new Moon showing the relative position of the Earth, Sun, and Moon in your drawing. Show Answer

18. Answer for 30 Points Back to Board

19. Question for 5 Points Differences in the moon’s and sun’s pul on different sides of Earth cause ______. Show Answer

20. Answer for 5 Points tides Back to Board

21. Question for 10 Points A person standing in the moon’s _________ would see a partial solar eclipse. Show Answer

22. Answer for 10 Points prenumbra Back to Board

23. Question for 15 Points When the sun is farthest north or south of the equator it is called a ___________________. Show Answer

24. Answer for 15 Points Solstice Back to Board

25. Question for 20 Points Why don’t we see eclipses Monthly? Show Answer

26. Answer for 20 Points One might expect to see eclipses monthly, as the Moon moves through its lunar phases. However, since the Moon’s orbit around the Earth is tilted at about 5 degrees (relative to the Earth’s orbit around the Sun), the tilt is enough to keep the moon out of Earth’s shadow for most full moons and out of the Moon’s shadow for most new moons. Thus, eclipses, especially total eclipses, are rare events Back to Board

27. Question for 25 Points What causes the Earth to experience high and low tides daily? Show Answer

28. Answer for 25 Points Tides on Earth are primarily affected by the Moon’s gravity. As the Earth rotates on its axis, a given location’s distance from the moon fluctuates, and therefore the gravitational attraction between the Earth and Moon change as well, which result in tidal bulges at the locations under the greatest gravitational attraction (high tide). Since the amount of water in the ocean is relatively constant, the areas not in the tidal bulge experience low tide. Back to Board

29. Question for 30 Points Why are the seasons opposite in the Northern and Southern Hemispheres? Show Answer

30. Answer for 30 Points Since the Earth rotates on an axis that is tilted 23.5 degrees as it revolves around the Sun, the Northern and Southern Hemispheres cannot both be tilted towards the Sun at the same time. Back to Board

31. Question for 5 Points Imaginary line passing through Earth’s center and poles is called an _______. Show Answer

32. Answer for 5 Points axis Back to Board

33. Question for 10 Points A _______ eclipse occurs at a full moon when Earth is directly between the moon and the sun. Show Answer

34. Answer for 10 Points Lunar Back to Board

35. Question for 15 Points A _________ tide occurs when the sun, Earth and the moon are nearly in a line. Show Answer

36. Answer for 15 Points Spring Back to Board

37. Question for 20 Points How are moon phases associated with solar and lunar eclipses? Show Answer

38. Answer for 20 Points Solar eclipses are associated with a new moon, and lunar eclipses are associated with a full moon. Back to Board

39. Question for 25 Points Draw a picture that depicts the position of the Moon and Earth during a low tide. Show Answer

40. Answer for 25 Points Back to Board

41. Question for 30 Points With respect to the Northern Hemisphere, what is the relative position of the Earth and Sun in summer, autumn, winter, and spring? Show Answer

42. Answer for 30 Points Back to Board

43. Question for 5 Points The term use when the noon sun is directly overhead at the equator Show Answer

44. Answer for 5 Points equinox Back to Board

45. Question for 10 Points The movement of Earth around the sun Show Answer

46. Answer for 10 Points revolution Back to Board

47. Question for 15 Points Name all the phases of the moon in order starting at new moon. Show Answer

48. Answer for 15 Points New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous Third Quarter Waning Crescent Back to Board

49. Question for 20 Points What conditions are necessary for a lunar eclipse to occur? Draw and describe the relative position of the Earth, Moon, and Sun during a lunar eclipse. Show Answer

50. Answer for 20 Points Eclipses are events during which one object in space casts a shadow onto another. In the case of a lunar eclipse, the Moon is either entirely obscured (total lunar eclipse)or partially obscured (partial lunar eclipse), as the Earth is directly between the Moon and the Sun, and the shadow of the Earth falls on the Moon. In order for a lunar eclipse to occur, the moon phase must be full. Back to Board