States of Matter & Phase Changes

Front

What happens to the motion of molecules when a liquid is heated?

Back

The molecules move at a FASTER rate.

Front

At room temperature, what state of matter is oxygen in?

Back

Gas.

Front

What is the main difference between boiling and evaporation?

Back

Evaporation occurs only at a liquid's surface, boiling occurs throughout the liquid.

Front

Which state of matter has both definite shape and definite volume?

Back

Solid.

Front

Which state of matter has the most kinetic energy?

Back

Gas.

Front

What is vaporization?

Back

The process of a substance changing from a liquid to a gas.

Front

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

Back

Liquid.

Front

What occurs during condensation?

Back

A gas changes into a liquid.

Front

What is sublimation?

Back

The process where a solid changes directly into a gas without becoming a liquid.

Front

What is the effect of temperature on the kinetic energy of molecules?

Back

As temperature increases, the kinetic energy of molecules increases.