Amplify - Thermal Energy Review

Front

What happens to the temperature of two samples when they achieve thermal equilibrium?

Back

The temperature of the two samples will be the same, but it may not be 30 degrees.

Front

True or false? Molecules in a sample are always in motion and possess energy.

Back

True

Front

What is the definition of energy?

Back

Energy is the ability to make things move or change.

Front

What is a system in scientific terms?

Back

A system is a set of interacting parts forming a complex whole.

Front

Which diagram typically shows higher energy levels?

Back

The diagram that represents hot water shows higher energy levels than that of cold water.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of the particles in a substance.

Front

How does heat transfer occur?

Back

Heat transfer occurs through conduction, convection, and radiation.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves.