Conservation of Matter

Front

What is the conservation of matter?

Back

The principle that matter cannot be created or destroyed in a chemical reaction.

Front

If 25 grams of sugar dissolves in 150 grams of water, what is the total weight of the solution?

Back

175 grams.

Front

What must matter have to be considered matter?

Back

Weight and take up space.

Front

What happens to the weight of a sealed air bag when it inflates?

Back

The weight stays the same.

Front

Why does the weight of dry ice decrease on a scale?

Back

Because it is turning into a gas.

Front

What is an example of matter?

Back

A rock, water, or air.

Front

Can matter be created or destroyed?

Back

No, according to the conservation of matter.

Front

What happens to the total weight of matter in a closed system?

Back

It remains constant.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What is an example of a physical change?

Back

Melting ice.