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The Sun - Quiz 3

Terms related to the Sun

QuestionAnswer
The distance between the Earth and Sun 93,000,000 miles
Makes up 75% of the Sun's gases Hydrogen
Makes up 25% of the Sun's gases Helium
The direction that the Sun rotates on its axis Counterclockwise
Estimated age of the Sun 4.5 billion years old
Part of the Sun where nuclear fusion occurs Core
Light packets Photons
Part of the Sun where photons are passed from gas molecule to gas molecule Radiative zone
Outer part of the Sun where gas molecules rise, release energy, sink and pick up more energy Convective zone
Part of the Sun's atmosphere that produces the yellow light that we see Photosphere
The middle part of the Sun's atmosphere that emits a reddish light during a solar eclipse Chromosphere
Process in which 4 Hydrogen nuclei fuse to form 1 Helium nucleus and energy Nuclear fusion
Outer layer of the Sun's atmosphere where solar wind originates Corona
Parts of the Sun's atmosphere that are only visible during eclipses Chromosphere and Corona
Percent of the Sun made of gas 100%
Part of the Sun that completes its rotation the fastest Equatorial region
The Sun is considered to be a __________ sized star medium
Areas of gas on the Sun that are cooler than the surrounding gases. Less light is given off by these areas Sunspots
The cause of sunspots Formed by a twisting of the Sun's magnetic field
Brief, bright eruptions of hydrogen gas on the Sun's surface Solar flares
1 million mile per hour stream of electrically charged particles produced by the Sun Solar wind
The Sun's estimated "life span" 9 billion years
 

 



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