The Sun

A model of the solar system in which Earth and the other planets revolve around the SUN.

• Heliocentric
• Geocentric

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Which type of eclipse is this

• Solar Eclipse
• Lunar Eclipse

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What is the hottest layer of the sun’s atmosphere called?

• convective zone

• corona

• radiative zone

• photosphere

Which internal layer of the sun is the hottest?

• Photosphere

• Chromosphere

• Corona

• Core

What elements make up most of the sun’s mass?

• carbon and oxygen
• carbon and hydrogen
• helium and nitrogen
• hydrogen and helium

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NGSS.HS-ESS1-1

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The sun converts matter into energy in the

• corona.
• radiative zone
• convection zone
• core

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Most of the sun’s energy is a result of

• nuclear fusion  
• nuclear fission
• atomic reactions
• coronal mass ejection

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In the equation E=mc², the letter E represents

• the energy that is produced.
• the mass that is converted.
• the speed of light.
• the distance to Earth from the sun.

During nuclear fusion in the sun, which of the following occurs?

• Atomic nuclei split apart.
• The aurora australis appears.
• hydrogen nuclei combine to produce a helium nucleus.
• A solar eclipse results

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NGSS.HS-ESS1-1

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The temperature inside the sun's core can reach about:

• 15,000 degrees fahrenheit
• 15,000,000 degrees fahrenheit
• 15,000,000 degrees celsius
• 15,000,000,000 degrees celsius

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