Front

What is the Conservation of Matter?

Back

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

Front

What happens to dry ice when it sits on a scale?

Back

It turns into a gas, causing its weight to go down.

Front

If you weigh a sealed air bag before and after it inflates, what happens to the weight?

Back

The weight stays the same.

Front

What happens to Zoe's flash paper when it disappears?

Back

It is converted to gas.

Front

What evidence shows that matter is conserved in the fire snake demo?

Back

The weight is about the same before and after the reaction.

Front

Where does the matter go when the fire snake weighs slightly less after burning?

Back

It escapes as gas.

Front

What is an example of matter changing states?

Back

Ice melting into water.

Front

Can matter be created or destroyed?

Back

No, matter cannot be created or destroyed.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What is an example of a physical change?

Back

Melting ice.