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8U5C1
| Question | Answer |
|---|---|
| rotation | The spinning motion of a planet on its axis |
| Revolution | The movement of an object around another object |
| Orbit | The path of an object as it revolves around another object in space |
| Ellipse | Which is an elongated circle, or oval shape, the shape of the planets orbits |
| Solstices | The 2 days of the year when the sun is farthest from the Earth's equator |
| Equinoxes | The 2 days of the year on which neither hemisphere is tilted toward or away from the sun |
| Moon | A natural satellite, which is any object that orbits and planet |
| Solar Eclipse | The blocking of sunlight to earth that occurs when the moon is directly between the sun and Earth |
| Lunar Eclipse | The blocking of sunlight to the moon that occurs when earth is directly between the sun and the moon. |
| Tides | the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth |
| Spring Tide | When Earth, the sun, and the moon form a straight line, the gravity of the moon and sun add up, resulting in higher high tides and lower low tides; the tide with the greatest difference between consecutive low and high tides |
| Neap Tide | When the sun and the moon are at a 90-degree angle to each other relative to Earth, the gravitational forces are not aligned so they don't add up; the tide with the least difference between consecutive low and high tides |