8.9 C Check#1

Front

What is cosmic microwave background radiation?

Back

Thermal radiation left over from the Big Bang.

Front

Which procedure is used to determine the age of the universe?

Back

Measuring the cosmic microwave background radiation.

Front

What force caused galaxies to form?

Back

Gravitational force.

Front

How does the Big Bang Theory describe the universe?

Back

An expanding entity that began from a hot, dense state.

Front

What is the most likely theory for how our universe will end?

Back

Heat Death (Big Freeze).

Front

What is the Big Bang Theory?

Back

A scientific explanation that the universe began from a hot, dense state and has been expanding ever since.

Front

What is the significance of cosmic microwave background radiation?

Back

It provides evidence for the Big Bang Theory and helps scientists understand the early universe.

Front

What is gravitational force?

Back

A force that attracts two bodies towards each other, responsible for the formation of galaxies.

Front

What does the term 'Heat Death' refer to in cosmology?

Back

A theory that suggests the universe will reach a state of no thermodynamic free energy, leading to a lack of processes that increase entropy.

Front

What is the Steady State Theory?

Back

A theory that proposes the universe is eternal and unchanging, with new matter being continuously created.