How the Sun Works

In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?

• Absorb energy

• Maintain energy

• Release energy

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NGSS.HS-ESS1-1

When hydrogen is "fused" together on the Sun, what new element is created?

• Helium

• Carbon

• Oxygen

• Dihydrogen

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

When investigating how the Sun produced energy, the two processes proposed were

• Chemical Combustion and Photosynthesis

• Nuclear Fusion and Chemical Combustion

• Nuclear Fusion and Photosynthesis

• Photosynthesis and Carb-loading

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NGSS.HS-ESS1-1

The sun's hydrogen would last for ____ of years for a nuclear reaction, while it would last for ______ of years for a chemical reaction?

• billions, thousands

• hundreds, billions

• thousands, millions

• billions, millions

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NGSS.HS-ESS1-1

Do all stars make energy through fusion?

• Yes

• No

• Just our sun

• Only large stars

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

In fusion, atoms

• combine

• split apart

• remain unchanged

• disguise themselves

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NGSS.HS-PS1-8

How do scientists tell what elements make up stars.

• Sample the star.

• Use spectroscopy on star light.

• Send elements to the star.

• Apply radiation to star light.

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NGSS.HS-ESS1-2

Where does the energy from the Sun come from?

• from another star

• from the Earth

• from inside the Sun

• from the surrounding space around the Sun

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NGSS.HS-ESS1-1

The instrument scientists use to study the light that comes from the Sun is called a...

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NGSS.HS-PS4-3

Where is the hottest part of the Sun?

• the photosphere

• the chromosphere

• the corona

• the core or center of the Sun