Thermal Energy Test

Front

What device do we use to measure temperature?

Back

Thermometer

Front

What happens to particles as they heat up?

Back

They speed up.

Front

What is the process called when the material in a lava lamp rises and falls?

Back

Convection.

Front

What type of heat transfer occurs when warming your feet in front of a fire?

Back

Radiation.

Front

What is the term for the phenomenon where the air near the ceiling in a room is warmer than the air near the floor?

Back

Convection.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.

Front

What is the difference between conduction and convection?

Back

Conduction is heat transfer through direct contact, while convection is heat transfer through fluid movement.

Front

What is the primary method of heat transfer in liquids and gases?

Back

Convection.

Front

What is the role of a thermometer in measuring temperature?

Back

It measures the average kinetic energy of particles.

Front

What happens to the density of a substance as it is heated?

Back

It generally decreases.