Heating and Cooling

Front

What is cooling?

Back

Cooling is the process of decreasing the temperature of something.

Front

What is heating?

Back

Heating is the process of increasing the temperature of something.

Front

What is a non-reversible change?

Back

A non-reversible change is a change that cannot be undone, such as cooking an egg.

Front

What is a reversible change?

Back

A reversible change is a change that can be undone, such as melting ice.

Front

What happens when you add ice to a drink?

Back

Adding ice to a drink cools it down.

Front

What happens when you cook a marshmallow?

Back

Cooking a marshmallow heats it up.

Front

What is melting?

Back

Melting is the process of changing from solid to liquid, like butter when heated.

Front

What is freezing?

Back

Freezing is the process of changing from liquid to solid, like water turning into ice.

Front

Can cooking an egg be reversed?

Back

No, cooking an egg is a non-reversible change.

Front

What is an example of heating?

Back

An example of heating is warming up food on a stove.