Matter and Energy Post Test

Front

What is an insulator?

Back

A material that slows the transfer of heat.

Front

What kind of heat transfer happens when the sun is heating your body?

Back

Radiation.

Front

What has no definite volume and no definite shape?

Back

Gas.

Front

What type of heat transfer is demonstrated when warm air rises and cool air sinks?

Back

Convection.

Front

Why does an ice pack melt when held against the skin?

Back

Conduction - body heat transferred to the cold ice pack.

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 a conductor?

Back

A material that transfers heat easily.

Front

What is the difference between solids, liquids, and gases?

Back

Solids have a definite shape and volume, liquids have a definite volume but no definite shape, and gases have neither definite shape nor volume.