Heat Flashcard 21-22

Front

What is the kind of heat transfer that travels through space in electromagnetic waves?

Back

Radiation

Front

What are waves that can transfer heat through the vacuum of empty space?

Back

Electromagnetic waves

Front

What happens to the temperature of a substance when the molecules move quicker?

Back

The substance becomes warmer.

Front

In how many ways does heat move around the universe?

Back

Three

Front

What is energy defined as?

Back

Ability to do work.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids and gases).

Front

What is thermal energy?

Back

The total energy of all the particles in a substance.

Front

What is the relationship between temperature and molecular movement?

Back

Higher temperature means faster molecular movement.

Front

What is an example of radiation?

Back

The heat from the sun reaching the Earth.