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task cards for test

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

question/term
answer/definition
Rotation   show
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show the movement of an object in a circular or elliptical course around another or about an axis or center.  
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show Helium and hydrogen  
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Light year   show
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Waxing   show
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show (of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.  
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show A waxing moon will be illuminated on the right side  
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show a waning moon will be illuminated on the left side.  
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Be able to identify moon phases on a diagram   show
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Moon’s revolution period   show
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show 29.5 days  
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show Planets made of rock  
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show Planets made of gas  
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show Mercury, Venus, Earth, and Mars  
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show Neptune, Uranus, Saturn, and Jupiter  
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Asteroids   show
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show a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars  
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show rocks from space that interact with earth  
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3 parts of a comet   show
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Which direction does the tail of a comet point?   show
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What causes the tail of a comet?   show
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corona   show
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show the continuous flow of charged particles from the sun which permeates the solar system.  
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show a spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings.  
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show nuclear fusion within the sun  
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Absolute magnitude vs. Apparent magnitude   show
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show main sequence  
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Nebula   show
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Main sequence   show
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Red giant   show
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Red supergiant   show
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show a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.  
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show a theoretical stellar remnant  
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Black hole   show
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What causes stars to have different life cycles?   show
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A protostar must start what process to be considered a star?   show
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show the galaxy that includes our Solar System  
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Elliptical   show
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Spiral   show
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Irregular   show
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show supermassive black hole  
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Created by: willdowdy9956
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