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14 Cards in this Set
- Front
- Back
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What is the difference between a meteor, meteorite, and meteoroid? |
Meteoroid: Passes around the sun Meteor: Enters Earth's Atmosphere Meteorite: Strikes the earth |
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What is apparent magnitude? |
the amount of light seen on Earth |
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How are distances to stars measured? |
Light years and parallax |
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What chemicals make up the Sun's composition? |
Hydrogen, Helium, and Oxygen |
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What are constellations? |
patterns of stars in the night sky |
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What color is the hottests and coolest stars? |
Hot:Blue Cold:Red |
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What is a galaxy? |
large groups of stars, gases, and dust held together by gravity |
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What shape is the Milky Way? |
Spiral |
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A black hole is... |
a region of space having a gravitational feild so intense that no matter or radiation can escape. |
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Why can some constillations be seen year round but others are only visible during certain times of the year? |
The tilt on the Earth's axis and where the constellation is located in the solar system |
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Why is it important to only have one varible in a experiment? |
then you know why is changes |
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What are constents? |
varible in an experiment that does not change. |
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What are the six steps to the scientific method? |
1) Ask a question 2)Collect research 3)Create a hypothesis 4)Experiment 5)Analyse data 6) Conclusion |
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What is a hypothesis? |
educated guess |
