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Ephrata Middle School Science

Ephrata Middle School Science. Miss Rand Astronomy. #1 The lifetime of a star depends on. temperature . brightness. A:. B:. mass. magnitude. C:. D:. mass. #2 A supernova is the explosion Of a dying. Medium sized star. Giant or super giant star. A:. B:. protostar. nebula.

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Ephrata Middle School Science

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  1. Ephrata Middle School Science Miss Rand Astronomy

  2. #1 The lifetime of a star depends on temperature brightness A: B: mass magnitude C: D:

  3. mass

  4. #2 A supernova is the explosion Of a dying Medium sized star Giant or super giant star A: B: protostar nebula C: D:

  5. Giant or super giant star

  6. #3 More than ½ of all stars are Members of groups of 2 or more Stars called Eclipsing binary galaxies A: B: Star systems Star clusters C: D:

  7. Star systems

  8. #4 The solar system formed from Expanding galaxy Giant cloud of gas A: B: explosion Black hole C: D:

  9. Cloud of gas

  10. #5 The brightness of a star Depends on Distance/temp. Size/temp. A: B: Distance/color C: D: Color/ temp.

  11. Size/ temp.

  12. #6 Scientists think our universe is 1-5 myo 1-2 myo A: B: 10-15 myo 100-200 myo C: D:

  13. 10-15 myo

  14. #7 The force that tends to pull Together the matter in stars is fusion gravity A: B: fission expansion C: D:

  15. gravity

  16. #8 Black holes form from stars that collapse fast Lose gravity attraction A: B: 40 * mass of sun White dwarfs C: D:

  17. 40 times mass of sun

  18. #9 When the north end of earth’s Axis is tilted toward the sun, North America Will experience More direct rays/shorter days More indirect rays/longer days A: B: More direct rays/shorter days More direct rays/longer days C: D:

  19. Direct rays/longer days

  20. #10 How large is the moon Compared to earth? ½ diameter Same diameter A: B: 1/4 diameter 1/8 diameter C: D:

  21. 1/4 diameter of earth

  22. #11 What do inner planets have In common? Rocky surface Made of gas A: B: Same rotation Large C: D:

  23. Rocky surfaces

  24. #12 Because the moon rotates once for Earth revolution around earth Different sides of moon face earth We see some phases more than others A: B: Never see far side Always full C: D:

  25. Never see far side

  26. #13 Some astronomers think Pluto Should not be a planet because Too far away No moon A: B: Cannot be seen with telescope Too small C: D:

  27. Too small

  28. #14 The hypothesis that Mars may Once have had the conditions To support life based on Same size as earth Red surface A: B: Dried stream beds canals C: D:

  29. Dried stream beds

  30. #15 Saturn’s rings are made up of Nitrogen/ hydrogen Ice and water vapor A: B: Volcanic dust Chunks of ice and rock C: D:

  31. Chunks of ice and rock

  32. Great Job!!!! Thank you for playing!

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