ES Midterm Review '24-25

Front

What is a galaxy?

Back

A group of stars, plus gas and dust.

Front

What is the Gulf Stream Current?

Back

The current that carries warm water from the east coast of the United States to the west coast of Europe.

Front

What does 'retention' mean?

Back

To keep possession of or maintain control of something.

Front

Why do large bodies of water not quickly fluctuate in temperature?

Back

Because water has a high heat capacity.

Front

What is the albedo of a black hole?

Back

0.

Front

Define 'albedo'.

Back

The measure of reflectivity of a surface, ranging from 0 (no reflection) to 1 (total reflection).

Front

What is the significance of the Gulf Stream Current?

Back

It influences climate and weather patterns in the North Atlantic region.

Front

Explain the concept of heat capacity.

Back

The amount of heat energy required to change the temperature of a substance.

Front

What is a black hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the difference between a star and a planet?

Back

A star generates its own light through nuclear fusion, while a planet does not.