Tangischools 8th grade Science Unit 5 Chapter 20 Lessons 2 and 3
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9 terms
Terms | Definitions |
|---|---|
 maria | large, dark, flat areas on the Moon |
| phase | lit part of the Moon or a planet that can be seen from Earth |
| waning phase | occurs when less of the Moon's near side is lit each night |
| waxing phase | occurs when more of the Moon's near side is lit each night |
| lunar eclipse | occurs when the Moon moves into Earth's shadow |
| penumbra | lighter part of a shadow where light is partially blocked |
| solar eclipse | occurs when the Moon's shadow appears on Earth's surface |
| tide | daily rise and fall of sea level |
| umbra | central, darker part of a shadow where light is totally blocked |
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