Conservation of Matter

Front

What is matter?

Back

Matter is anything that has weight and takes up space.

Front

What happens to the weight of matter when it changes form?

Back

The weight stays the same.

Front

If you have 25 grams of sugar and dissolve it in 150 grams of water, what is the total weight of the mixture?

Back

175 grams.

Front

What does conservation of matter mean?

Back

It means that matter cannot be created or destroyed, only changed from one form to another.

Front

What evidence shows that matter is conserved in a chemical reaction?

Back

The total weight of the substances before and after the reaction remains about the same.

Front

What happens to matter when something burns?

Back

Some matter escapes as gas.

Front

Can you see all types of matter?

Back

No, some matter, like air, is invisible.

Front

What is an example of matter that takes up space but is not visible?

Back

Air is an example of matter that takes up space but cannot be seen.

Front

If a balloon is filled with air, what happens to the weight of the balloon?

Back

The weight of the balloon increases because the air inside adds weight.

Front

What is the weight of a sealed bag of air before and after it inflates?

Back

The weight stays the same.