Front

What does Charles's Law state about the volume of a gas?

Back

The volume of a gas is directly proportional to its temperature.

Front

Can matter exist in more than three phases?

Back

False, matter can exist in more than three phases, such as plasma and Bose-Einstein condensates.

Front

What are changes called when no new kinds of matter are produced?

Back

Physical changes.

Front

What are some examples of physical properties?

Back

Color, hardness, mass, weight, volume, density.

Front

What characteristics do solids have?

Back

Solids have a definite shape and definite volume.

Front

What is a physical change?

Back

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 change that results in the formation of new chemical substances.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the definition of volume?

Back

The amount of space an object occupies.