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Chapter 3 Science
Lesson 3 The Sun
| Term | Definition |
|---|---|
| Core | central region of the sun, where nuclear fusion takes place |
| Nuclear Fusion | the process in which two atomic nuclei combine to form a larger nucleus, forming a heavier element and releasing huge amounts of energy |
| Radiation Zone | a region of very tightly packed gas in the sun's interior where energy is transferred mainly in the form of electromagnetic radiation |
| Convection Zone | the outermost layer of the sun's interior |
| Photosphere | the inner layer of the sun's atmosphere that gives off its visible light |
| 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 that emanate from the sun's corona |
| Sunspot | a dark area of gas on the sun's surface that is cooler than surrounding gases |
| Prominence | a huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions |
| Solar Flare | an eruption of gas from the sun's surface that occurs when the loops in sunspot regions suddenly connect |
Created by:
dguilliams
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