Download General Science Class: ______ Earth Science

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General Science
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Class: ___________
Earth Science – Chapter 3 Review Sheet/Study Guide
Know your vocabulary.
Use the following questions to help guide your studying.
1. Know place value.
2. How do Earth, the other planets, and asteroids move in relation to the sun?
3. What direction does Earth rotate when viewed from above the North Pole?
4. Explain why Earth has night and day.
5. Infer as to which planets would take longer or shorter than Earth to orbit the sun.
6. During what seasons does sunlight last longest in the Northern Hemisphere? Explain.
7. Why does the moon look different at different times of the month?
8. Compare and contrast the position of the Northern and Southern Hemispheres when it is
winter in the Northern Hemisphere.
9. Explain why it is summer in North America when it is winter in Australia.
10. How do the hours of daylight and darkness compare during an equinox?
11. What is the difference between an equinox and a summer solstice in the region of the
North Pole?
12. How do we depend on the sun?
13. Describe fusion.
14. How long do scientists think our sun will continue to shine?
15. Why can you see the corona only during a solar eclipse?
16. How will the composition of the sun change as billions of years pass?
17. What makes sunspots different from the rest of the surface of the sun?
18. What are solar flares?
19. Explain why scientists might be interested in knowing when the sunspot cycle is at its peak?
20. How do scientists classify galaxies?
21. What makes up the Milky Way Galaxy?
22. Define: quasars
23. Why is a nebula important to the life of a star?
24. Discuss how balanced forces and unbalanced forces affect a star.
25. What is a supernova?
26. Why do more massive stars have a shorter lifespan than mid-sized stars?
27. What is the difference between a nova and a supernova?
28. If light cannot escape a black hole, how would a scientist go about looking for one?
29. Explain the function of a telescope.
30. Why are satellites and the Hubble Space Telescope valuable in collecting information about
space?
31. Compare and contrast: space probe, space shuttle, space station
32. List the kinds of products have been developed from space technology.
33. Who was the first person in space and what country was (s)he from?
HINT: Know the timeline of astronauts on p. C104-C105!