Front

What causes chocolate to melt?

Back

Heating

Front

Putting ice in water is an example of...?

Back

Cooling

Front

What is matter?

Back

Matter is everything that has mass and takes up space.

Front

A bicycle is an example of a _______ that works together.

Back

System

Front

When you connect all the Lego parts you have a ______.

Back

Whole

Front

What happens when you heat ice?

Back

It melts.

Front

What is the opposite of heating?

Back

Cooling

Front

What do we call a group of parts that work together?

Back

System

Front

What is an example of matter?

Back

A chair, a book, or water.

Front

What happens to water when it freezes?

Back

It turns into ice.