Post-test: Matter & Energy

Front

What is the state of matter where particles are packed tightly together in fixed positions?

Back

Solid

Front

How tightly packed matter is in an object is known as what?

Back

Density

Front

Which state of matter has particles that are far apart and move freely?

Back

Gas

Front

What is the total number of atoms in an ammonia (NH3) molecule?

Back

4

Front

A change in matter that produces one or more new substances is called what?

Back

Chemical Change

Front

What is the state of matter that has a definite volume but no definite shape?

Back

Liquid

Front

What is the term for the amount of space an object occupies?

Back

Volume

Front

What is the process called when a solid turns into a liquid?

Back

Melting

Front

What is the term for the amount of matter in an object?

Back

Mass

Front

What is the state of matter characterized by having no fixed shape and no fixed volume?

Back

Gas