Thermal Energy 1

Front

What is equilibrium?

Back

A balanced state in which a system is stable, such as when two or more samples are at the same temperature.

Front

What does it mean to infer?

Back

To reach a conclusion using evidence and reasoning.

Front

What is the average?

Back

A number that summarizes a set of data, computed by adding all the numbers in a list and then dividing by the number of numbers in the list.

Front

What is stability?

Back

When something stays mostly the same over time.

Front

What happens to molecules when things get hotter?

Back

They move faster and have more kinetic energy.

Front

What is thermal energy?

Back

The total kinetic energy of all the particles in an object.

Front

What is conduction?

Back

The transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

The transfer of thermal energy through electromagnetic waves.

Front

What is temperature?

Back

A measure of the average kinetic energy of the particles in a substance.