Chemical Reactions REVIEW

Front

What are the properties of matter?

Back

Magnetism, Color, Odor, All of the above.

Front

What kind of scientist studies chemical reactions to form new materials?

Back

Materials scientist.

Front

Is TNT exploding a physical or chemical change?

Back

Chemical change.

Front

What observations can indicate a chemical reaction has occurred?

Back

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

Front

What results in no new substances?

Back

A physical change.

Front

What is a chemical reaction?

Back

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

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not create new substances, while a chemical change does.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What is the law of conservation of mass?

Back

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