Practice Quiz - Doppler Effect

If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...

• Moving towards the Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-ESS1-2

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

Tags

NGSS.HS-ESS1-2

Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.

• It is not moving relative to Earth
• It is moving away from Earth (Redshift)
• It is moving towards Earth (Blueshift)
• It is moving towards Earth (Redshift)

Tags

NGSS.HS-ESS1-4

Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.

• It is not moving relative to Earth
• It is moving away from Earth (Redshift)
• It is moving towards Earth (Blueshift)
• It is moving towards Earth (Redshift)

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

An object that is moving VERY fast away from Earth would have ________ than an object that is moving very slow away from Earth.

• More Redshift
• More Blueshift
• Less Redshift
• Less Blueshift

Tags

NGSS.HS-ESS1-2

Which discovery(ies) came from our understanding redshift/ blueshift?

• The universe is expanding
• Most galaxies are moving away from us
• Andromeda galaxy will collide with the Milky way in 3.75 billion years
• All of the above (and many more)

When redshift occurs, the perceived WAVELENGTH of the wave would...

• Increase
• Decrease
• Stay the same
• Make squirrell sounds

Tags

NGSS.HS-PS4-1

When blueshift occurs, the perceived WAVELENGTH of the wave would...

• Increase
• Decrease
• Stay the same
• Make frog sounds

Tags

NGSS.HS-PS4-1

Long sound waves are...

• high pitched
• low pitched
• medium pitched

Tags

NGSS.HS-PS4-1

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

• Low pitched
• High pitched
• Normal

Tags

NGSS.HS-PS4-1