Flashcards: Vocabulary 7: Science Chapter 10-11
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Created by:
titansforever on November 7, 2011
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Terms | Definitions |
|---|---|
 day | the time required for Earth to turn once on its axis. |
| year | the time required for Earth to revolve completely around the sun. |
| solstice | the point at which the Sun is as far north or as far south of the equator as possible |
| equinox | the moment when the Sun appears to cross the celestial equator. |
| eclipse | an event in which the shadow of one celestial body falls on another. |
| phase | the change in the sunlit area of one celestial body as seen from another celestial body. |
| neap tide | the tide minimum range that occurs during the first and third quarters of the moon. |
| spring tide | a tide of increased range that occurs two times a month, at the new and full moons. |
| tidal range | the difference in levels of ocean water at high tide and low tide. |
| tide | the periodic rise and fall of the water level in the oceans and other large bodies of water. |
| rocket | a machine that uses escaping gas from burning fuel to move. |
| thrust | the pushing or pulling force exerted by the engine of an aircraft or rocket. |
| artificial satellite | any human-made object placed in orbit around a body in space. |
| space probe | an uncrewed vehicle that carries scientific instruments into space to collect scientific data. |
| space shuttle | a reusable space vehicle that takes off like a rocket and lands like an airplane. |
| space station | a long-term orbiting platform from which other vehicles can be launched or scientific research can be carried out. |