NC Check-ins Physical Science

Front

What is air resistance?

Back

Friction in the air that slows things down.

Front

Which is harder to stop - an 18 wheeler or a motorcycle?

Back

An 18 wheeler.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

How can burning paper be considered a chemical change?

Back

Burning paper creates ash and smoke, which are different substances.

Front

What happens to water when it freezes?

Back

Water expands when it freezes.

Front

What is heat transfer?

Back

The movement of thermal energy from one object to another.

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat through electromagnetic waves.

Front

What is an example of conduction?

Back

Touching a hot stove and feeling the heat.

Front

What is an example of convection?

Back

Warm air rising and cool air sinking in a room.

Front

What is the definition of mass?

Back

The amount of matter in an object.