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Chapter 3 Science

Lesson 3 The Sun

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