U2E1L2: Exploring the Properties of Gases

Front

What are the properties of gases?

Back

Gases are fluids, can be compressed, and have lots of space between particles.

Front

Do gases have a definite shape and volume?

Back

No, gases have no definite shape or volume.

Front

Why can gas molecules be easily compressed?

Back

Gas molecules are far apart.

Front

What is defined as the space occupied by matter?

Back

Volume.

Front

How can you 're-inflate' a balloon?

Back

By heating the balloon up.

Front

What is the state of matter that has a definite shape and volume?

Back

Solid.

Front

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

Back

Liquid.

Front

What happens to gas molecules when temperature increases?

Back

They move faster and spread apart.

Front

What is pressure in the context of gases?

Back

Pressure is the force exerted by gas molecules colliding with the walls of their container.

Front

What happens to the volume of a gas when it is cooled?

Back

The volume decreases.