Module Pretest: Classification and States of Matter

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What is density?

Back

Density is a measure of how much mass is contained in a given volume.

Front

What is the atomic composition of hydrazine (N2H4)?

Back

2 atoms of nitrogen and 4 atoms of hydrogen.

Front

True or False: Matter is made up of motionless particles.

Back

False.

Front

How do water molecules behave at higher temperatures?

Back

They move faster and are spaced further apart.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion.

Front

What happens to the motion of particles in a solid compared to a gas?

Back

Particles in a solid are closely packed and vibrate in place, while particles in a gas move freely and are far apart.

Front

What is the effect of temperature on the state of matter?

Back

Increasing temperature can change a solid to a liquid (melting) or a liquid to a gas (evaporation).

Front

What is an example of a substance in a gaseous state?

Back

Water vapor.

Front

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

Back

Condensation.