UNIVERSE/BIG BANG UNIT TEST REVIEW

Hubble was the first scientist to discover that the universe is much larger than our own galaxy.

• TRUE

• FALSE

Today, we know that there are as many galaxies in the universe as there are stars in our galaxy.

• TRUE

• FALSE

The existence of redshift demonstrates that other stars in the Milky Way Galaxy are moving away from our solar system.

• TRUE

• FALSE

Evidence has proven conclusively that the Big Bang theory is correct.

• TRUE

• FALSE

A similar principle explains both redshift and the Doppler effect

• TRUE

• FALSE

What occurs as the universe expands?

• Our solar system gets larger.

• Galaxies expand and become larger.

• The space between galaxies increases.

• All of the Above

The Big Bang took place around _______ years ago.

• 1.3 million

• 330,000

• 5 billion

• 13.7 billion

The first element said to have been formed after the Big Bang was _______.

• carbon

• hydrogen

• oxygen

• helium

Evidence for the Big Bang includes that _______ and that _______.

• -the universe is shrinking

  -a large amount of energy in the form of heat remains in the universe

• -the universe is expanding

  -a large amount of energy in the form of heat remains in the universe

• -the universe is shrinking

  -a small amount of energy in the form of heat remains in the universe

• -the universe is expanding

  -a small amount of energy in the form of heat remains in the universe

Why are hydrogen and helium thought to be the first elements created in the universe?

• They are the most abundant elements in the universe.

• They are the most useful elements in the universe.

• They are the lightest elements (fewest subatomic particles) in the universe.

• They are the heaviest (most subatomic particles) in the universe.