ASTRO TEST REVIEW

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Across
  1. 4. _________________ are mostly found between Mars and Jupiter.
  2. 6. Our sun will NOT collapse and become a _(2 words)_ because it has less mass.
  3. 8. A__(2 words)___occurs when we add up the extra quarter day every 4 years.
  4. 12. If you drew a diagram of a LUNAR eclipse, the moon would be covered by Earth's _________.
  5. 14. The moon revolves around the Earth because the Earth has a greater _______ and gravity.
  6. 18. The axis ______ different parts of the Earth toward or away from the sun as we revolve.
  7. 20. The Earth takes 365 1/4 days to complete one ________________.
  8. 21. __________ tide is the HIGHEST tide that occurs (GREATEST diff. between high and low)
  9. 23. The moon rotates and revolves at the SAME rate so we see _(2 words)_ of the moon.
  10. 26. The _________(2 words)_____________ of the sun is caused
  11. 29. An object's resistance to change in motion (wants to keep doing what it's doing)
  12. 30. There would be NO _________________ if the Earth did not TILT and REVOLVE.
  13. 32. NEAP tide is the ________ high tide that occurs. (LEAST diff. between high and low)
  14. 33. Comets, like planets, have a predictable _________________ -shaped orbit.
Down
  1. 1. The ________ pull of the moon causes the TIDES to occur.
  2. 2. Scientists compare the ________ of stars to elements to figure out what a star contains.
  3. 3. To spin on a fixed axis
  4. 5. Seasons in the Northern and Southern hemispheres are ________________.
  5. 7. Earth's rotation.
  6. 8. If it’s called a ___________ eclipse, then the MOON is being blocked from our view.
  7. 9. Our ________________ protects us from meteorite impact and UV sun rays
  8. 10. The greater the ________ of an object, the stronger its gravitational pull.
  9. 11. The Earth's ________________ causes day and night and takes approx. 24 hours
  10. 13. Objects at a greater ___________ from one another will have LESS gravitational pull.
  11. 15. The Earth's TILT and __________ cause the seasons to occur.
  12. 16. All stars start off in a cloud of dust and gas called a ____________.
  13. 17. On the day of the __________ we experience equal hours of daylight and darkness.
  14. 19. Our planet is just the right distance from the sun for ______________ to exist as a liquid.
  15. 22. The moon shines reflected ___________ in the night sky.
  16. 24. The season in which a hemisphere gets DIRECT SUNLIGHT would be ___________.
  17. 25. The PATH an object takes as it moves around another object
  18. 27. Our atmosphere provides us with ______________ to breathe.
  19. 28. If the moon was blocking the ____________ from us it would be called a SOLAR eclipse.
  20. 31. On the day of a ____________ we experience the GREATEST or LEAST hours of sunlight.