Geology
Name _____________________________________________________ Date __________________
Score _________
Questions
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1.
Where does everything on Earth ultimately come from?
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2.
What may have triggered the formation of our sun and the planets?
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3.
About how many galaxies are there in the universe?
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4.
How many stars are there in the Milky Way Galaxy?
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5.
What is the name of the nearest star to our solar system?
Hint: ‘Proximatus’ is Latin for ‘approach’.
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6.
About how long would it take a fast jet to reach the nearest star to our solar system?
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7.
How far is a light year?
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8.
How far across do scientists think the visible Universe is?
Hint: Best to count in light years, which is a measure of distance not years.
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9.
What is the name of our home galaxy?
Hint: You can see it on a clear night.
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10.
What do scientists think is hiding at the center of our galaxy?
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11.
What keeps the planets orbiting around the sun?
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12.
What is a Goldilocks Zone?
Hint: What is absolutely essential for life on our planet?
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13.
Which are the four rocky planets?
Hint: They are the closest planets to the sun.
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14.
What do scientist mean when they refer to “accretion” in space?
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15.
What causes star dust to clump together?
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16.
How long ago do scientist think our solar system began to form?
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17.
Why are the four inner planets so rocky?
Hint: The inner planets are closest to the sun. How did this affect their formation?
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18.
What are some of the more common heavy elements that formed our planet?
Hint: Which elements were able to survive the heat of the early solar system?
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