The Universe Review

Redshift means a wave's length is getting:

• shorter

• longer

• staying the same

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

A nebula is a cloud of

• gas and dust

• star and planets

• water

• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

Accretion happens in a nebula when young solar systems are forming. What is accretion?

• planets form from magnetism

• planets form from asteroids

• planets formed from volcanic eruptions

• planets formed from debris that sticks together (accretion)

Tags

NGSS.MS-ESS1-2

Gravity is affected by:

• mass and weight

• mass and distance

• weight and distance

• inertia and gravity

Tags

NGSS.HS-PS2-4

Which of these supports universal expansion (the Big Bang)?

• redshift and star composition (hydrogen and helium)

• inertia

Tags

NGSS.HS-ESS1-2

Doppler shift is:

• the wavelength in front of the object gets shorter and behind gets longer

• the wavelength behind an object gets shorter and in front gets longer

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The frequency is:

• increasing as it comes toward you then decreasing as it passes

• decreasing as it comes toward you then increasing as it passes

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In the photo, the redshift waves are doing what?

• wavelength increased, and frequency decreased

• wavelength decreased, and frequency increased

• pitch increases

Tags

NGSS.HS-PS4-1

Raisin bread is like the universe because:

• The raisins spread out from each other like galaxies shifting apart

• The raisins come closer together like galaxies

• The raisin bread burns

Galaxies in the universe are doing what?

• Edwin Hubble discovered the galaxies are mostly moving away from us.

• Galaxies are moving toward us and are going to crash into us.

• Imploding

Tags

NGSS.MS-ESS1-2