Big Bang Theory

HOW OLD IS THE UNIVERSE?

• 1.3 million years old

• 2.18 billion years old

• 13.8 billion years old

• 13.8 million years old

If an object in space is coming towards us, what color would it shift to?

• red

• white

• blue

• black

If an object in space is moving away from us, what color would it shift to?

• red

• white

• blue

• black

___ is the theory that the universe began from one point billion of years ago and has been expanding over time.

• The Big Bang Theory

• The Big Explosion Theory

• The Expansion Theory

• The Big Boom Theory

Which one is NOT evidence that supports the Big Bang Theory?

• The red shift

• The blue shift

• Cosmic microwave background radiation

• common elements

This the "after-glow" of the Big Bang Theory that supports that the universe began with a "big bang" and was very hot and dense.

• cosmic microwave background radiation

• cosmic radio

• black matter

• red shift

Because the universe is expanding, the light from galaxies is ___-shifted

• red

• pink

• blue

• yellow

As a car moves towards you, what happens to the frequency of the sound waves?

• the frequency increases

• the frequency stays the same

• the frequency decreases

• the frequency disappears

As a car moves away from you, what happens to the frequency of the sound waves?

• the frequency increases

• the frequency stays the same

• the frequency decreases

• the frequency disappears

Which color has a higher frequency?

• red

• blue