Science Reading: Matter 2

Front

What happens to water when it evaporates?

Back

The particles of water turn into gas and are too small for us to see in the air.

Front

Why can't we see salt in saltwater?

Back

The salt dissolves in the water.

Front

What is evaporation?

Back

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

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a solution?

Back

A solution is a mixture where one substance is completely dissolved in another.

Front

What is the difference between evaporation and boiling?

Back

Evaporation occurs at any temperature, while boiling occurs at a specific temperature.

Front

What is condensation?

Back

Condensation is the process where gas turns back into a liquid.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is a chemical change?

Back

A chemical change results in the formation of new chemical substances.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.