Sc 6- Chapter 2 Astronomy(Sections 1 and 2)
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Created by:
ResourceRoomReview on October 31, 2011
Subjects:
Description:
6th Grade
Science
Observing the Solar System (Section 1)
The Sun (Section 2)
Classes:
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13 terms
Terms | Definitions |
|---|---|
 geocentric | a description of the solar system in which all of the planets REVOLVE around the EARTH |
| heliocentric | a description of the solar system in which all of the planets REVOLVE around the SUN |
| ellipse | elongated circle, or oval shape; the shape of the planets' orbit |
| inertia | the tendency of a moving object to continue in a straight line or a stationary object to remain in place |
| nuclear fusion | the process by which hydrogen atoms join together to form helium, RELEASING energy |
| core | the CENTRAL part of the sun, where NUCLEAR FUSION occurs |
| photosphere | the INNER layer of the sun's atmosphere |
| chromosphere | the MIDDLE layer of the sun's atmosphere |
| corona | the OUTER layer of the sun's atmosphere |
| solar wind | a stream of electrically charged particles produced by the sun's CORONA |
| sunspot | a DARK AREA of gas on the sun that is cooler than the surrounding gases |
| prominence | a loop of gas that protrudes from the sun's surface, linking parts of sunspot regions |
| solar flare | an EXPLOSION of hydrogen gas from the sun's surface that occurs when loops in sunspot regions suddenly connect |
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