Topic 4- Changes in Matter

Front

What is the state of matter that has a definite volume and takes the shape of its container?

Back

Liquid

Front

What most often causes matter to change from one state to another?

Back

Change in Temperature

Front

What can speed up the dissolving rate of a substance?

Back

Crushing the substance into smaller pieces.

Front

What is a chemical change?

Back

A change that creates a new substance, often involving a change in color or heat.

Front

How can you identify iron among different metals?

Back

By using a magnet.

Front

What is the state of matter that has a definite shape and volume?

Back

Solid

Front

What is the state of matter that has no definite shape or volume?

Back

Gas

Front

What happens to the particles in a solid when it is heated?

Back

They gain energy and may change to a liquid.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Rusting of iron.