Changes in Matter

Front

What is a physical change?

Back

A physical change is a change in which no new substances are formed. Examples include freezing, melting, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include rusting, burning, and cooking.

Front

What happens to particles in a liquid state?

Back

Particles in a liquid state are moving around each other and not moving as fast as in a gas.

Front

What is the state of matter for smoke?

Back

Smoke is a gas.

Front

What is volume?

Back

Volume is the measure of how much space something takes up.

Front

What is matter?

Back

Matter is 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 an example of a physical property?

Back

An example of a physical property is color, shape, or boiling point.

Front

What is an example of a chemical property?

Back

An example of a chemical property is flammability or reactivity with acid.

Front

What occurs during the freezing of juice?

Back

The freezing of juice is a physical change where the liquid turns into a solid without changing its chemical composition.