Front

What is a gas?

Back

A gas is a state of matter that has no fixed shape or volume. It fills the space of its container.

Front

What happens to gas particles when they are heated?

Back

When gas particles are heated, they move faster and spread apart.

Front

What is pressure in terms of gases?

Back

Pressure is the force that gas particles exert on the walls of their container.

Front

What is the melting point?

Back

The melting point is the temperature at which a solid turns into a liquid.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into a gas.

Front

What is the triple point?

Back

The triple point is the temperature and pressure at which a substance can exist in all three states: solid, liquid, and gas.

Front

What happens to the volume of a gas when the pressure increases?

Back

When the pressure increases, the volume of the gas decreases if the temperature remains constant.

Front

What is the relationship between temperature and pressure in gases?

Back

As the temperature of a gas increases, the pressure also increases if the volume is constant.

Front

What is an example of a gas?

Back

An example of a gas is oxygen, which we breathe.

Front

What is a sealed container?

Back

A sealed container is a closed space that does not allow gas to escape.