chapter 2 sec. 1,2,3 Word Scramble
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Term | Description |
ellipse | An elongated circle, or oval shape; the shape of the planets’ orbits. |
geocentric | a description of the solar systemin which all of the plants revolve around the earth |
inertia | the tendency of a moving object to continue in a strait line or a stationary object o remain in place |
heliocentric | a description in which the solar system in which all of the plants revolve around the sun |
core | the centrel part of the sun, where nuclear fusion occours |
nuclear fusion | the process by which hydrogen atoms join together to form helium , releasing energy |
corona | the outer layer of the earths atmosphere |
photosphere | the inner layaer of the suns atmosphere |
chromosphere | the middle layer of the suns atmosphere |
solar wind | a stream of electrically charged particals produced by the suns corona |
sunspot | a dark area of gas on the sun that is cooler than the surrounding gases |
prominence | a loop of gas that protudes from the suns surface, linking parts of the sunspot region |
solar flare | an explosion of hydrogen gas from the suns surface that occour when loops in sunspot regions suddenly contact |
greenhouse effect | the trapping of heat by a planets atmosphere |
terrestrial plants | the name given to the four inner planets; mercury, veus, earth, mars |
retrograde rotation | the spinning motion of a planet from east to west, opposite to the direction of rotation of most planets and moons |
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