Astronomy Review Questions: Write Answers on a Separate Sheet of Paper

Astronomy review questions: Write answers on a separate sheet of paper

1. How long does it take earth to rotate? Revolve? P465 2. Why do we have seasons? P 468 3. Why do we have high and low tides?p484 4. What are tides caused by? p 484 5. What is the difference between a Neap and Spring tide? p485 6. When the Northern Hemisphere faces the sun what season is it? What season is it for the southern hemisphere? P469-470 7. What is an equinox? Solstice? p 470 8. Why do objects attract each other? P474 9. What 2 factors affect gravity? P475 10. What is the difference between a solar and lunar eclipse? P482 11. During what phase of the moon can a lunar eclipse occur? P483 12. What is an umbra? P482 13. How does the sun produce energy? P546 14. Where do solar winds come from? P548 15. What shape are the orbits of comets? P573 16. What is the asteroid belt? Where is it located? P574 17. What is the difference between a refracting and a reflecting telescope? P592 18. Why are observatories on mountain tops? P594 19. What does the H-R diagram tell you? P599, p604 20. What do the colors of the stars mean in an H-R diagram? P599,604 21. What is a light-year? P602 22. Where are the stars born in the life of stars? How are they born? P609 23. What does the lifetime of stars depend on? P609 24. How does a super nova occur? P611 25. What are the types of galaxies? P 618 26. What is likely happening to the Universe? P626 27. What are the phases of the moon in order (or find the worksheet that has that) p480 28. What are the parts of the sun (or find the worksheet that has that) p549