Law of Conservation of Matter

Multiple Choice

What is the Law of Conservation of Matter (Mass)?

• Mass is created in a chemical reaction

• Mass is created in a physical change

• New chemicals formed from a chemical reaction have a larger overall mass than the original reactants

• Mass is never created or destroyed

Multiple Choice

The Law of Conservation of matter states that the total amount of matter ____________ after it undergoes change.

• disappears

• stays the same

• weighs less

• explodes

Multiple Choice

If you have an Oreo cookie that weighs 20 grams. It gets crushed into crumbs for a recipe. How much do its crumbs weigh?

• 15 grams

• 20 grams

• 25 grams

Multiple Choice

The mass of the reactants must _________________ the mass of the products.

• be less than

• equal

• be more than

Multiple Choice

What was the lesson about today?

• Law of Conservation of Energy

• Law of Conservation of you didn't pay attention.

• Law of Conservation of Matter

• Law of Conservation of your grade in this class doesn't matter.