Matter Unit

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solution. For example, the powder in a glass of Kool-aid is the solute.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute. In a Kool-aid mixture, the water acts as the solvent.

Front

What is matter?

Back

Matter is anything that has mass and takes up space. It can exist in different states: solid, liquid, or gas.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but no definite shape. It takes the shape of its container.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume. The particles in a solid are closely packed together.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume. It expands to fill its container.

Front

What does the conservation of mass state?

Back

The conservation of mass states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

Front

What is evaporation?

Back

Evaporation is the process by which a liquid changes into a gas, usually when it is heated.

Front

What is condensation?

Back

Condensation is the process by which a gas changes into a liquid, often when it cools down.

Front

What is melting?

Back

Melting is the process by which a solid changes into a liquid when it is heated.