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earth, sun, moon
| Question | Answer |
|---|---|
| rotation | A turning around as on an axis |
| revolution | When an object orbits another object |
| axis | A imaginary line which an object rotates on |
| equator | An imaginary line drawn around the earth equally distant from both poles An imaginary line drawn around the earth equally distant from north pole to south pole |
| tilt | Occurs when a planet rotates around an axis that is tilted relative to the plane of its revolution around a larger object. |
| hemisphere | A half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles |
| lunar cycle | The cycle of changes the moon goes through |
| waxing | when a moon is getting fuller and going towards a full moon |
| waning | when a moon is getting thinner an going toward a new moon |
| crescent moon | The figure of the moon as it appears in its first or last quarter |
| solar eclipse | when the moon passes between the sun and the earth |
| gibbous moon | when we can see 3/4 of the moons surface |
| full moon | when the moon's surface is in total light and is seen as an entire circle |
| first quarter | phase between the new and full moon where half of the moon is lit up on the right side |
| third(last)quarter | phase between the new and full moon where half of the moon is lit up on the left side |
| new moon | when the moon is completely in darkness |
| ocean tide | the rise and fall of sea levels caused by the combined effects of the gravitational forces by the Moon and the Sun and the rotation of the Earth |
| high tide | a tide when its at its highest point |
| low tide | a tide when its at its lowest point |
| spring tide | tide just after a new or full moon |
| neap tide | tide occurring at the first and third quarters of the moon |
| lunar eclipse | An eclipse where the moon appears darkened as it passes into the earth's shadow. |
Created by:
ironmanxoxoxo
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