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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 Miss Rand Astronomy
#1 The lifetime of a star depends on temperature brightness A: B: mass magnitude C: D:
#2 A supernova is the explosion Of a dying Medium sized star Giant or super giant star A: B: protostar nebula C: D:
#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:
#4 The solar system formed from Expanding galaxy Giant cloud of gas A: B: explosion Black hole C: D:
#5 The brightness of a star Depends on Distance/temp. Size/temp. A: B: Distance/color C: D: Color/ temp.
#6 Scientists think our universe is 1-5 myo 1-2 myo A: B: 10-15 myo 100-200 myo C: D:
#7 The force that tends to pull Together the matter in stars is fusion gravity A: B: fission expansion C: D:
#8 Black holes form from stars that collapse fast Lose gravity attraction A: B: 40 * mass of sun White dwarfs C: D:
#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:
#10 How large is the moon Compared to earth? ½ diameter Same diameter A: B: 1/4 diameter 1/8 diameter C: D:
#11 What do inner planets have In common? Rocky surface Made of gas A: B: Same rotation Large C: D:
#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:
#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:
#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:
#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:
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