ELL Test Heat Transfer & Transformations

Front

What causes the flow of energy from warmer places to cooler places?

Back

The difference in temperature.

Front

In heat transfer, heat always flows from the _______________ object to the _______________ object.

Back

hotter / colder.

Front

In which direction does heat naturally flow?

Back

From a warmer object to a cooler object.

Front

What type of material slows the transfer of thermal energy?

Back

Insulators.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.

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 radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What is an example of a good conductor of heat?

Back

Metals like copper and aluminum.

Front

What is an example of an insulator?

Back

Materials like rubber, wood, and glass.