2.2 Expansion of the Universe Quiz

What did Edwin Hubble discover about the galaxies outside our own?

• They are stationary

• They are shrinking

• They are moving towards us

• They are moving away from us

Tags

NGSS.HS-ESS1-2

What does redshift in the spectrum of light from a galaxy indicate?

• The galaxy is moving towards Earth

• The galaxy is stationary

• The galaxy is moving away from Earth

• The galaxy is shrinking

Tags

NGSS.HS-ESS1-2

What is the relationship described by Hubble's Law?

• The closer a galaxy is, the slower it is moving away from us

• The farther away a galaxy is, the faster it is moving away from us

• The farther away a galaxy is, the slower it is moving away from us

• The closer a galaxy is, the faster it is moving away from us

What does redshift of the spectrum from stars indicate?

• The stars are shrinking

• The stars are moving away from Earth

• The stars are stationary

• The stars are moving towards Earth

Tags

NGSS.HS-ESS1-2

What is the main evidence that the Universe is expanding?

• The blueshift of almost every galaxy

• The increasing size of galaxies

• The decreasing size of galaxies

• The redshift of almost every galaxy

Tags

NGSS.HS-ESS1-2

What does the stretching of space between galaxies cause?

• The galaxies to remain stationary

• The galaxies to shrink in size

• The galaxies to move away from each other

• The galaxies to move closer together

Tags

NGSS.HS-ESS1-2

What is the Doppler shift used to determine?

• The size of the Universe

• The distance to galaxies

• The composition of stars

• The movement of galaxies

Tags

NGSS.HS-ESS1-2

What does blueshift of the spectrum from stars indicate?

• The stars are moving towards Earth

• The stars are stationary

• The stars are shrinking

• The stars are moving away from Earth

Tags

NGSS.HS-ESS1-2

Why is almost every galaxy redshifted?

• Because they are moving towards Earth

• Because they are shrinking

• Because they are stationary

• Because they are moving away from Earth

Tags

NGSS.HS-ESS1-2

What does cosmic redshift tell us?

• The size of the Universe is decreasing

• The Universe is stationary

• The Universe is expanding

• The size of the Universe is increasing

Tags

NGSS.HS-ESS1-2