Mystery Science: Chemical Magic Review

Front

What state of matter is characterized by particles that move quickly and are far apart?

Back

Gas

Front

What do fireworks, rubber, and Silly Putty have in common?

Back

All are made using a chemical reaction.

Front

What is it called when the identity of matter does not change?

Back

Physical change

Front

What principle describes what happens during a chemical reaction regarding matter?

Back

Matter is neither created nor destroyed.

Front

What causes explosions in chemical reactions?

Back

The production of gas.

Front

What is the process called when substances combine to form new substances?

Back

Chemical reaction

Front

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

Back

A physical change does not alter the identity of the substance, 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, the mass of the reactants equals the mass of the products.