Chemical Reactions

Front

What are the properties of matter?

Back

Magnetism, Color, Odor, All of the above.

Front

What is made of more than one atom?

Back

A molecule.

Front

Is TNT exploding a physical or chemical change?

Back

Chemical.

Front

What kind of scientist forms new materials by studying chemical reactions?

Back

Materials scientist.

Front

What observations might indicate a chemical reaction occurred?

Back

Color change, Odor change, Properties change, All of the above.

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products).

Front

What is a reactant?

Back

A substance that undergoes change in a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is an example of a physical change?

Back

Melting ice.