ch 4 review

Front

What is the relationship between changes in states of matter and energy?

Back

Changes in states involve changes in energy.

Front

What does Boyle's Law state about the relationship between volume and pressure of a gas at constant temperature?

Back

If you decrease the volume in a container of gas, the pressure of the gas will increase.

Front

What determines the state of matter?

Back

The state of matter is determined by how fast particles in a substance move and how strongly they're attracted to each other.

Front

What is a characteristic of gas regarding shape and volume?

Back

Gas is a matter that doesn't have a definite shape or volume.

Front

Which state of matter has no definite shape and volume?

Back

Gas.

Front

What is the definition of a solid?

Back

A solid has a definite shape and volume.

Front

What is the definition of a liquid?

Back

A liquid has a definite volume but no definite shape.

Front

What is Charles' Law?

Back

Charles' Law states that the volume of a gas is directly proportional to its temperature at constant pressure.

Front

What is the significance of particle movement in determining states of matter?

Back

The speed of particle movement affects the state of matter; faster particles typically indicate a gas.

Front

What is the principle behind Archimedes' principle?

Back

Archimedes' principle states that an object submerged in a fluid experiences a buoyant force equal to the weight of the fluid displaced.