Universe Notes & Project Review

How many universes are there?

• 5

• 1

• 100

• 3

A grouping of millions or billions of stars kept together by gravity is a what?

Tags

NGSS.MS-ESS1-2

What term states: The universe began from an initial point (or singularity) which has expanded over billions of years to form the universe as we now know it today?

• Galaxy

• Formation of the Universe

• Big Bang Theory

• Universe

Tags

NGSS.HS-ESS1-2

According to the Big Bang Theory, how old is the Universe?

• 13.7 billion years old

• 4.6 billion years old

• 10.6 billion years

• 15.2 billion years

Tags

NGSS.HS-ESS1-2

A _____ shift involves stars moving away from Earth and their light becomes dimmer.

Tags

NGSS.HS-ESS1-2

Who proposed that the Universe is expanding?

• Neil Armstrong

• Nickolas Copernicus

• Kepler

• Edwin Hubble

A _____ shift involves stars moving toward Earth and their light becomes brighter.

Tags

NGSS.HS-PS4-1

What is a change in frequency of waves moving relative to its source?

• Background Radiation

• Doppler Effect

• Hubble Effect

• Big Bang

Tags

NGSS.HS-PS4-1

_______ galaxies often appear bluish because they contain many young stars.

Doppler shifts are inversely proportional. This means that when a wavelength increases the frequency _____________.

• Stays the same

• Increases

• Decreases

Tags

NGSS.HS-PS4-1