Physical and Chemical Properties of Matter

Front

What is a physical property of matter?

Back

A physical property is something that can be observed about the substance by itself, such as color, odor, density, and state.

Front

How can mixtures like salt water be separated?

Back

Mixtures can be separated using physical properties; for example, salt can be separated from water by evaporation.

Front

Is breaking glass a chemical or physical change?

Back

Breaking glass is a physical change because it does not alter the chemical composition of the glass.

Front

What defines a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance, resulting in the formation of new matter.

Front

What happens to butter when it melts? Is it a chemical change?

Back

When butter melts, it undergoes a physical change because no new matter is formed.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change affects the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

Can physical properties be observed without changing the substance?

Back

Yes, physical properties can be observed without changing the substance.

Front

What is an example of a physical property?

Back

Examples of physical properties include color, boiling point, melting point, and density.

Front

What is evaporation?

Back

Evaporation is the process by which liquid turns into vapor, often used to separate mixtures.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.