Universe Astronomy #1 Review

A layer of a star's interior where energy is primarily transported toward the exterior by means of radiative diffusion and thermal conduction, rather than by convection

• Chromosphere

• Radiation Zone

• Photosphere

• Convection Zone

The cumulative atmosphere of the Sun that is responsible for radiating light

• Chromosphere

• Radiation Zone

• Photosphere

• Convection Zone

A sudden eruption of radiation from the surface of the Sun

• Prominence

• Solar Flare

• Suns Core

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NGSS.HS-PS4-3

A nuclear reaction in which two lighter nuclei combine to form a single heavier nucleus and some of the original mass is converted to energy

• Fusion

• Fission

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The visible surface of the sun

• galaxy
• universe
• corona
• photosphere

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NGSS.HS-ESS1-1

Most of the sun’s energy is a result of

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

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Auroras are frequently seen

• near the equator.
• before a sunspot cycle.
• every 11 years.
• after solar flares.

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NGSS.HS-ESS3-5

NGSS.HS-PS4-3

Sunspots vary in a cycle that lasts about

• 110 yrs
• 11,000 yrs
• 11 yrs
• 110,000 yrs

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NGSS.MS-ESS1-1

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

NGSS.HS-ESS1-3

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

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8