Exam 1 Review

How old is the universe?

• 6 thousand years old

• 13.8 billion years old

• 17.9 billion years old

• 11 million years old

The big bang theory suggests...

• The universe is shrinking into a tiny particle

• The universe is a computer simulation

• The universe has expanded from a particle

• The universe is a tiny particle

Which theory best explains the beginning of the universe?

• Einstein's theory of relativity

• Hubble's Law

• Darwin's theory of evolution

• The big bang theory

What are the three subatomic particles?

• Glucose, sucrose, fructose

• Hydrogen, helium, lithium

• Protons, neutrons, electrons

• Atoms, elements, isotopes

Edwin Hubble concluded that...

• Galaxies are not moving

• All galaxies are moving towards each other

• The Earth is round

• Most galaxies are moving away from each other

Galaxies that are moving away give off light that has been...

• Blueshifted

• Redshifted

• Greenshifted

• Yellowshifted

The Andromeda galaxy is moving towards the Milky Way. It's light will be...

• Redshifted

• Blueshifted

• Greenshifted

• Yellowshifted

The universe has a center.

• True

• False

The further a galaxy is, the faster it is moving away.

• Newton's laws

• Einstein's theory of general relativity

• The big bang theory

• Hubble's law

What is cosmic background radiation?

• Patches of microwaves in space

• A uniform field of gamma rays in space

• A uniform field of microwaves in space

• Uranium reserves in space