Sun and Life Cycle of Stars

A star is born when:

• nuclear fusion starts

• a nebula becomes a protostar

• gases in a nebula condense

• hydrogen is used up in fusion processes

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NGSS.HS-ESS1-1

A star that has ignited and has used up all of the hydrogen is called:

• Neutron Star

• White Dwarfs

• Red Giants

• Black Holes

The energy from the sun is created by a process called:

• nuclear fission
• nuclear fusion
• nuclear reaction
• nuclear core

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Energy is created in the core of the Sun when _____________ atoms join together to form a ______________ atom.

• helium, hydrogen

• carbon, hydrogen

• nitrogen, helium

• hydrogen, helium

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NGSS.HS-ESS1-1

When we look at the sun, what layer are we viewing?

• photosphere
• chromosphere
• corona
• convection zone

What layer can be seen here during an eclipse?

• chromosphere

• corona

• photosphere

• core

Tags

NGSS.MS-ESS1-1

What element is the sun mostly made up of

• Helium

• Core

• Carbon

• Hydrogen

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NGSS.HS-ESS1-1

A brief burst of energy from the sun’s photosphere is called a

• corona

• solar flare

• solar wind

• photosphere

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NGSS.HS-ESS1-1

Which state of matter is the Sun considered to be?

• liquid

• solid

• gas

• plasma

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

How long does it take for photons to leave the Sun and reach the Earth ?

• 100,000 years

• 8.5 minutes

• 1,000 years

• 100 years

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NGSS.HS-PS4-1