Introduction to the Sun

How does the Sun produce solar energy?

• Through nuclear fusion in its core

• Through photosynthesis

• By absorbing energy from other stars

• Through burning fossil fuels

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When did the Sun form?

• 1.2 billion years ago

• 10 million years ago

• 100,000 years ago

• 4.5 billion years ago

What is the temperature of the Sun's core?

• 10 million degrees Celsius

• 75 million degrees Celsius

• 1 million degrees

  Fahrenheit

• 27 million degrees Fahrenheit

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NGSS.HS-ESS1-1

How many layers does the Sun have?

• 10

• 8

• 4

• 6

What is the primary source of energy for the Sun?

• Wind power

• Solar flares

• Geothermal energy

• Nuclear fusion

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NGSS.HS-ESS1-1

What is the outermost layer of the Sun called?

• heliosphere

• chromosphere

• corona

• photosphere

What elements are involved in the nuclear fusion process within the Sun?

• Nitrogen and oxygen

• Hydrogen and helium

• Oxygen and carbon

• Helium and lithium

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NGSS.HS-ESS1-1

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What is at the center of the Solar System?

• Earth
• Moon
• Sun
• Jupiter

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How many planets orbit the Sun?

• 1
• 4
• 8
• 10

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The sun is a glowing ball of _______.

• water
• liquid
• gases
• rocks

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NGSS.MS-PS1-1