The Sun: Composition and Energy

The elemental make-up of the Sun is mostly...

• Hydrogen and Oxygen

• Oxygen and Helium

• Hydrogen and Helium

• Hydrogen, Helium, and Sulfur

Most of the sun’s energy is a result of

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

Tags

NGSS.HS-ESS1-1

When hydrogen nuclei fuse into helium nuclei

• the nuclei die.
• energy is released.
• particles collide
• particles neutralize.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

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

Which form of heat transfer would be occur due to a fire?

• Convection

• Conduction

• Radiation

Which form of heat transfer involves density?

• Conduction

• Convection

• Radiation

Which form of heat transfer involves the movement of heat through heating particles?

• Conduction

• Convection

• Radiation

True or False: During convection, warm gases/liquids rise while cooler gases/liquids sink.

• True

• False

Tags

NGSS.MS-ESS2-6

Using the picture of the Sun, which layer is where nuclear fusion takes place?

• Core

• Radiation Zone

• Convection Zone

• Corona

Using the picture of the Sun, which layer transports the Sun's heat in the form of waves?

• Core

• Radiation Zone

• Convection Zone

• Corona

Tags

NGSS.MS-PS4-1