Earth Science Quarterly Exam

What theory explains the formation of the universe?

• Theory of Relativity

• Big Bang Theory

• Steady State Theory

• Quantum Theory

Approximately how long ago did the Big Bang occur?

• 4.5 billion years ago

• 13.8 billion years ago

• 500 million years ago

• 10 billion years ago

What is believed to be the initial state of the universe before the Big Bang?

• A large star

• An infinitely small, dense point

• A black hole

• A cloud of gas

What formed in the first few seconds after the Big Bang?

• Stars

• Galaxies

• Subatomic particles like protons and neutrons

• Planets

What is BIG BANG believed to be responsible for?

• The formation of galaxies

• The expansion of the universe accelerating

• The formation of stars

• The collapse of black holes

What term describes the rate at which the universe is expanding?

• Dark energy

• Hubble's Law

• Gravitational constant

• Redshift

What was the first element formed in the universe?

• Oxygen

• Carbon

• Hydrogen

• Helium

What is the most abundant element in the universe?

• Oxygen

• Hydrogen

• Carbon

• Helium

What is a mineral?

• A type of rock

• A naturally occurring inorganic solid with a definite chemical composition

• A biological substance

• A synthetic material

Which of the following is NOT a characteristic of minerals?

• Naturally occurring

• Organic

• Solid

• Definite chemical composition