Thermal Energy Transfer

Front

What happens to popcorn kernels when they are heated in a microwave?

Back

The kernels expand.

Front

What is convection?

Back

The movement of gas or liquid in which warmer parts move up and the colder parts move down.

Front

What type of heat transfer occurs when a pan is placed on an open stove?

Back

Conduction.

Front

Why is brick a better material than metal for building a fireplace?

Back

Brick is heat resistant.

Front

What allows firemen to safely enter and exit burning buildings?

Back

Firemen wear heat resistant suits.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is conduction?

Back

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

Front

What is radiation in terms of heat transfer?

Back

Radiation is the transfer of heat through electromagnetic waves.

Front

How does convection work in a liquid?

Back

In convection, warmer parts of the liquid rise while cooler parts sink, creating a circulation pattern.

Front

What is an example of conduction in everyday life?

Back

Touching a hot stove and feeling the heat transfer to your hand.