Crash Course Astronomy #10 Quiz: The Sun

What primarily differentiates the Sun from other stars in the night sky?

• Its composition

• Its temperature

• Its proximity to Earth

• Its color

What is the Sun mainly composed of?

• Helium gas

• Oxygen gas

• Hydrogen gas

• Carbon dioxide

What process powers the Sun?

• Nuclear fission

• Magnetic induction

• Nuclear fusion

• Chemical reactions

Tags

NGSS.HS-ESS1-1

How much hydrogen does the Sun convert into helium every second?

• 15 Empire State Buildings worth

• 5 million tons

• 695 million tons

• 700 million tons

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What is the primary function of the Sun's photosphere?

• To convert helium back into hydrogen

• To emit light into space

• To facilitate nuclear fusion

• To generate magnetic fields

What phenomenon is visible during a total solar eclipse?

• Solar flares

• The photosphere

• The corona

• Sunspots

Tags

NGSS.MS-ESS1-1

What causes auroras on Earth?

• The Moon's gravitational pull

• Solar wind interacting with the Earth's magnetic field

• Sunspots cooling the Earth's surface

• Solar flares heating the Earth's core

What can potentially cause power blackouts on Earth?

• Coronal mass ejections

• The solar wind's speed

• Photosphere activity

• The Sun's rotation

Tags

NGSS.HS-ESS3-5

What happens when the Sun's magnetic field lines get tangled and snap?

• They release the energy by producing a solar flare

• Cooling of the corona by the release of energy as light

• Formation of sunspots

• Decrease in solar wind speed

What is the result of a solar flare?

• An increase in the number of sunspots

• Formation of new stars

• A decrease in the Sun's temperature

• Ejection of material into space

Tags

NGSS.MS-ESS3-2