Phases of Matter Review

Front

What happens to the molecules in a liquid compared to a gas?

Back

Molecules in a gas move faster than those in a liquid.

Front

Which is true of both melting and freezing points?

Back

The melting and freezing points of a substance are the same.

Front

What phase of matter is filling the balloon?

Back

The phase of matter filling the balloon is gas.

Front

What is the process called when gas turns into liquid?

Back

The process is called condensation.

Front

What happens to the particles of a substance as it changes from a solid to a liquid?

Back

The particles move farther apart.

Front

Define solid in terms of molecular arrangement.

Back

In a solid, molecules are closely packed together in a fixed arrangement.

Front

Define liquid in terms of molecular arrangement.

Back

In a liquid, molecules are close together but can move past one another.

Front

Define gas in terms of molecular arrangement.

Back

In a gas, molecules are far apart and move freely.

Front

What is vaporization?

Back

Vaporization is the process of a liquid turning into a gas.

Front

What is sublimation?

Back

Sublimation is the process where a solid turns directly into a gas without becoming a liquid.