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Redshift

Authored by Lisa Thompson

Science

11th Grade

NGSS covered

Redshift
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

In a Doppler red shift, the observed wavelengths of light from distant space objects appear closer to the red end of the spectrum than light from similar nearby space objects. The explanation for the red shift is that the universe is presently

Getting smaller

Expanding

Not changing in size

Tags

NGSS.HS-ESS1-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The more that the spectral lines of a star are shifted to the red end of the spectrum

the larger it is.

the hotter it is

the faster it is moving away from us

Tags

NGSS.HS-ESS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A star moving away from the Earth will have a spectrum containing

red shifted lines

blue shifted lines

Tags

NGSS.HS-ESS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Doppler effect predicts that light from a source moving away from Earth will have

shorter wavelengths.

longer wavelengths.

Tags

NGSS.HS-PS4-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to Hubble's law faster moving galaxies are now

further away from us

closer to us

Tags

NGSS.HS-ESS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

It is moving away from Earth (Redshift)

It is moving towards Earth (Blueshift)

It is moving towards Earth (Redshift)

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

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