P3: Post-Test: Matter & Energy

Front

How many atoms of oxygen are in carbon dioxide (CO₂)?

Back

2

Front

What is the ability to move, work, or cause a change in matter?

Back

Energy

Front

What is volume?

Back

Volume is the measurement of how much space an object takes up.

Front

What describes the particles of a liquid?

Back

Particles of a liquid are free to move in a container but are in close contact with one another.

Front

Which state of matter is characterized by having no fixed shape and being able to fill a container?

Back

Gas

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

What happens to the volume of a gas when it is heated?

Back

The volume of a gas increases when it is heated.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.