The Big Bang Theory

Question 1

This galaxy is moving

Accepted Answer

Toward Earth

Question 2

Why is the Big Bang Theory the most accepted theory of how the universe was formed?

Accepted Answer

It is the best explanation based on current scientific data.

Question 3

This spectrum from a distant galaxy shows

Accepted Answer

Blue Shift

Question 4

This galaxy is moving

Accepted Answer

Away from Earth

Question 5

According to evidence that supports the Big Bang theory, scientists believe the universe is

Accepted Answer

13.7 billion years old

Question 6

A common characteristic in galaxies spectra that they are moving away from Earth is...

Accepted Answer

They are Red Shifted

Question 7

In which picture will the girl hear a higher pitch sound coming from the ambulance?

Accepted Answer

Picture A

Question 8

Which wavelength of visible light has the highest frequency.

Accepted Answer

Blue

Question 9

If a star's spectral lines are blue shifted it means

Accepted Answer

That the star is getting closer to Earth

Question 10

In which picture will the girl hear a lower pitch sound coming from the ambulance?

Accepted Answer

Picture B

Question 11

What does it mean if a star's spectrum is Red Shifted?

Accepted Answer

It means the star is moving away from the Earth.

Question 12

This spectrum shows that this galaxy is

Accepted Answer

Red Shift

Question 13

Which of the following happened first?

Accepted Answer

Electromagnetic radiation was the only energy that existed

Question 14

Which of the following information can NOT be gained from studying the spectra of stars?

Accepted Answer

The number of planets around them

Question 15

Which theory states that the Universe began as a small, dense point and then began to expand?

Accepted Answer

The Big Bang Theory

Question 16

A change in frequency or wavelength due to a moving source of sound waves is due to the

Accepted Answer

Doppler Effect

Question 17

Which of the following events are in the correct order from oldest event to most recent?

Accepted Answer

Universe expansion, galaxies, solar system

Question 18

What can astronomers learn about a star by studying the star’s spectrum?

Accepted Answer

Composition, Temperature and Motion of the star

Question 19

Which wavelength of visible light has the lowest frequency.

Accepted Answer

Red

Question 20

Which evidence does NOT support the Big Bang Theory?

Accepted Answer

Composition of meteorites

Questions 20