Unit 1 Review - Discovering New Worlds

Another word that describes nuclear fusion

• Fission
• Chromosphere
• core
• Nucleosynthesis

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Atomic process combines nuclei of small atoms to form more massive nuclei

• nuclear fusion 
• nuclear fission

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Which atoms combine together during fusion reaction on the sun?

• Helium and Hydrogen atoms
• Hydrogen atoms
• Hydrogen and Lithium atoms
• Hydrogen and Carbon atoms

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

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

How do we estimate the lifespan of the sun?

• We know how much hydrogen is in it.

• We know its radius.

• We know its diameter.

• We know its brightness.

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NGSS.HS-ESS1-1

These can disrupt electronics on Earth.

• Sunspots
• Solar flares
• Comets
• Mars

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NGSS.HS-PS4-3

What is the sun made out of?

• fire and lava
• gases
• magma
• flames

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NGSS.MS-PS1-1

How does the sun keep all of the planets in orbit?

• The pull of its gravity
• the flames give it power
• the sun spots
• The solar flares guide them

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NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The most common elements in the SUN are 

• carbon and oxygen
• water and carbon dioxide
• calcium and potassium
• hydrogen and helium

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The Sun is an average, middle sized star. 

• TRUE
• FALSE
• Maybe
• Scientists do not know.