Name:           Section:<br />Chapter 4 Pre-Assessment<br />1. The Sun produces energy through:<br /><ul><li>Condensation
Fusion
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Unit Pre Assessment

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This Pre-Assessment was given on Thursday November 12th 2009. If you were absent you are responsible to make up the points. This assessment was worth 20 points of the unit I will be lecturing on.

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Transcript of "Unit Pre Assessment"

  1. 1. Name: Section:<br />Chapter 4 Pre-Assessment<br />1. The Sun produces energy through:<br /><ul><li>Condensation
  2. 2. Fusion
  3. 3. Convection
  4. 4. Friction</li></ul>2. Astronomers measure distance by using __________, which is the shift in the position of an object when viewed from different locations.<br /><ul><li>Perspective
  5. 5. Ranges
  6. 6. Parallax
  7. 7. Probes</li></ul>3. Which unit of measurement do astronomers use when measuring the distance between two stars found in the Milky Way?<br /><ul><li>Meter
  8. 8. Light-year
  9. 9. Kilometer
  10. 10. Astronomical unit</li></ul>4. Describe a black hole. <br />5. Two galaxies are interacting with each other. What is the force that draws these two galaxies toward each other?<br /><ul><li>Friction
  11. 11. Gravity
  12. 12. Electricity
  13. 13. Magnetism</li></ul>6. This photograph of the Galaxy M-82 was taken by students at the Kitt Peak observatory in Arizona.<br />Which type of equipment did the students use to collect the light to make this photograph?<br /><ul><li>Satellite
  14. 14. Binoculars
  15. 15. Microscope
  16. 16. Optical telescope</li></ul>7. Some stars appear blue. Some stars appear red. The differences in color are due to differences in:<br /><ul><li>Temperature
  17. 17. How far the star is from Earth
  18. 18. Size
  19. 19. Brightness</li></ul>8. The universe is huge. It consists of all __________, __________ and __________.<br />9. The shift in a pitch as an object moves towards you and then away from you is called:<br /><ul><li>Variable motion
  20. 20. Doppler Effect
  21. 21. Periodic Motion
  22. 22. Contact Force</li></ul>10. Stars go through periods of birth, maturity and death. The life cycle of a star varies depending on their __________.<br /><ul><li>Size
  23. 23. Color
  24. 24. Temperature
  25. 25. Mass

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