Term
| How many trials should you have in an investigation? |
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Definition
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Term
| If an impact crater has a lot of debris around it that had been melted, you could conclude that ..... |
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Definition
| the impacting object was moving very fast. |
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Term
| Name the variable in an investigation that is being changed. |
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Definition
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Term
| List some things that affect the appearance of a crater. |
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Definition
Size of impacting object
Speed of impacting object
Angle of impact
Surface type that is impacted. |
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Term
| What is the name for variables that are kept the same? |
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Definition
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Term
| Older surfaces on terrestial objects generally contain ____________ craters. |
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Definition
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Term
| List the features of an impact crater. |
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Definition
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Term
| Which phase of Earth's moon is the best time to study craters as seen from Earth? |
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Definition
Quarter Phase
(increases shadows in craters, revealing more detail) |
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Term
| You must label what two variables in all data tables? |
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Definition
| Manipulated and Responding |
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Term
The Earth was heavily cratered during its formation. Today, about 120 impact craters have been identified. Why are there so few compared to other bodies in the solar system?
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Definition
Many craters on Earth have been eroded by wind and water and destroyed by tectonics and volcanism.
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Term
| What causes rays to form around an impact crater? |
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Definition
| Rays are fromed by ejected materials, like dust, sand, and liquid rock falling back around the crater after impact. |
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Term
Name the variable in an investigation that is measured.
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Definition
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Term
When writing a procedure for an investigation, you need to state that measurements need to be ______________
in a data table. |
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Definition
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Term
| Describe the typical shape of an impact crater. |
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Definition
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Term
| What is the most common geological feature in the solar system? |
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Definition
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Term
| If you have 3 trials in your data table, than you also need a column for finding the ______________. |
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Definition
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