Properties of Matter Review

Front

What is a physical property of matter?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its composition or identity.

Front

Give an example of a physical property.

Back

Examples include color, odor, melting point, boiling point, density, and state of matter.

Front

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

Back

A physical property can be observed without changing the substance, while a chemical property describes a substance's ability to undergo a chemical change.

Front

What does it mean if a substance has a high density?

Back

It means that the substance has a large mass relative to its volume.

Front

What is a chemical property of matter?

Back

A chemical property is a characteristic that describes a substance's ability to react with other substances and form new substances.

Front

What happens to the composition of a substance during a chemical change?

Back

The composition of the substance changes, resulting in the formation of one or more new substances.

Front

What is meant by the term 'conductivity' in relation to materials?

Back

Conductivity refers to a material's ability to allow the flow of electrical energy or heat.

Front

What is an insulator?

Back

An insulator is a material that does not allow electrical energy or heat to pass through it easily.

Front

How do smooth surfaces affect light reflection?

Back

Smooth surfaces reflect more light rays at equal angles compared to rough surfaces.

Front

What is the significance of observing physical properties in substances?

Back

Observing physical properties helps in identifying and classifying substances without altering their chemical composition.