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1-2 Space
Science
| Term | Definition |
|---|---|
| Phase | One of the different shapes of the moon as seen from Earth |
| Eclipse | The partial or total blocking of one object by another |
| Solar Eclipse | The blocking of sunlight to earth that occurs when the moon is between the sun and Earth |
| Umbra | The darkest part of a shadow |
| Penumbra | The part of a shadow surrounding the darkest part |
| Lunar Eclipse | The blocking of sunlight to the moon that occurs when Earth is directly between the sun and moon |
| Tide | The rise and fall of the level of water in the ocean |
| Gravity | The attractive force between two objects, its magnitude depends on their masses and the distance between them |
| Spring Tide | the greatest difference between high and low water |
| Neap Tide | A tide with the least difference between low and high tide |