Doppler and Redshift Review

Light can change color due to the Doppler Effect.

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Look at the picture. Who is experiencing a higher pitched sound?

• Observer A

• Observer B

• There's no difference

Tags

NGSS.HS-PS4-1

The Doppler effect occurs when an observer moves towards a wave-making source. 

• True

• False

Tags

NGSS.HS-PS4-1

How does redshift provide evidence to support the Big Bang Theory of the origin of the universe?

• Redshift shows that other galaxies are moving away from the Earth.

• Redshift is leftover thermal energy generated during the Big Bang.

• Redshift shows that other galaxies are moving toward the Earth.

• Redshift doesn't support this. Blueshift does.

Tags

NGSS.HS-ESS1-2

What side of the picture would show a star moving toward Earth?

• Side A

• Side B

The diagram shows the spectral lines for an element. Which diagram shows the spectral lines of this element when its light is coming from a star that is moving away from Earth?

• 
• 
• 
• 

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

In relation to us, most galaxies are…

• Moving toward us

• Moving away from us

• Not moving

Tags

NGSS.HS-ESS1-2

If an ambulance with a siren is moving away from you, what happens to the pitch of the siren sound as it moves farther away?

• The pitch increases.

• The pitch decreases.

• The pitch remains constant.

• The pitch becomes ultrasonic.

Tags

NGSS.HS-PS4-1

What is Redshift

• Objects move away us, give off red light

• Objects move towards us, give off blue light

• Objects move towards us, give off red light

• Objects move away us, give off blue light

Tags

NGSS.HS-ESS1-2

When the car moves AWAY from you, its horn seems...

• Low pitched

• High pitched

• Normal

Tags

NGSS.HS-PS4-1