Physical and Chemical Changes

Front

What is a Physical Change?

Back

A change that does not result in a new substance. Examples include freezing, melting, and dissolving.

Front

What is a Chemical Change?

Back

A change that results in the formation of one or more new substances. Examples include burning, rusting, and exploding.

Front

Is freezing juice a physical or chemical change?

Back

Physical Change.

Front

Is squeezing oranges to make orange juice a physical or chemical change?

Back

Physical Change.

Front

What happens to water vapor when it cools down?

Back

It condenses into liquid water.

Front

What is condensation?

Back

The process by which water vapor turns into liquid water, often seen as droplets on a cold surface.

Front

What is an example of a Chemical Change?

Back

Exploding fireworks.

Front

What is an example of a Physical Change?

Back

Melting ice.

Front

What is the main difference between physical and chemical changes?

Back

Physical changes do not create new substances, while chemical changes do.

Front

What happens to the temperature of water when it evaporates?

Back

The temperature decreases as the water absorbs heat from its surroundings.