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unit 4 vocab
| Question | Answer |
|---|---|
| rotation | the spin of a body on its axis |
| day | the time required for earth to rotate once on its axis |
| revolution | the motion of a body that travels around another body in space |
| year | the time for earth to orbit the sun |
| season | a division of the year that is characterized by recurring weather conditions and determined by both Earth's positions in its orbit around the sun |
| equinox | the moment when the sun appears to cross the celestial equator |
| sosltice | the point at which the sun is as far notrth or south of the equator |
| satelite | a natural or artificial body that revolves around a planet |
| gravity | a force attraction between objects that is due to their masses |
| lunar phases | the different apperances from earth throughout the month |
| eclipse | an event in which the shadow of one celestial body falls on another |
| penumbra | the outer part of a shadow such asthe shadow cast by earth or the moon in which sunlight only partially blocked |
| tide | the pedirodic rise and fall of water level |
| tidal range | the difference in levels of ocean water at hght tide and low tide |
| spring tide | a tide pf increased range that occurs two times a month |
| neap tide | a tide of minimum range that occurs during the first and third quarter of the moon |
Created by:
Chrisman1011130