Phase Change 1

Front

What is the definition of a gas?

Back

A gas has an indefinite shape and an indefinite volume.

Front

What shape does liquid matter take?

Back

Liquid matter takes the shape of its container.

Front

What happens to particles when a liquid becomes a gas?

Back

The particles break away from one another.

Front

What is an example of a physical change?

Back

Water freezing to ice.

Front

What effect does adding heat to matter have on its particles?

Back

It causes the particles to move faster and farther apart.

Front

What is the definition of a solid?

Back

A solid has a definite shape and a definite volume.

Front

What occurs during condensation?

Back

Gas particles lose energy and come together to form a liquid.

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into gas.

Front

What is the boiling point of water?

Back

The boiling point of water is 100 degrees Celsius at standard atmospheric pressure.

Front

What is melting?

Back

Melting is the process where a solid turns into a liquid.