Reading Spectral Lines

Which spectrum tells you that the star is moving away from you the fastest?

• A

• B

• C

• D

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Which spectrum shows a star moving towards you?

• A

• B

• C

• D

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

Which spectrum shows blue shifting?

• A

• B

• C

• D

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Which star is moving the fastest towards you? (Most Shifted- lines furthest from original)

• A

• B

• C

• D

Tags

NGSS.HS-PS4-3

What is a photon?

• wave of light

• particle of light

• part of a photo

• pixel in a photo

Tags

NGSS.HS-PS4-3

Which elements are in the mixture?

• A only

• D only

• Z only

• A and D

• D and Z

Tags

NGSS.MS-PS1-1

Which elements are present in the mixture?

• D and E

• D and G

• E and G

• only D

• only G

The positions of the bright and dark lines in the spectra shift when the source of energy moves towards or away from the observer. This is called the ___________

• Spectrum Effect

• Doppler Effect

• Red Effect

• Blue Effect

Tags

NGSS.HS-PS4-1

By studying the spectra of stars, scientists were able to see redshifting, indicating the universe is ____________

• shrinking

• expanding

• not moving

• static

Tags

NGSS.HS-ESS1-2