Physical vs Chemical Properties and Changes

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, taste, or boiling point.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to change into different substances, such as reactivity with oxygen or flammability.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance but does not alter its chemical composition, such as melting or freezing.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as rusting or burning.

Front

Give an example of a physical change.

Back

Crumpling paper.

Front

Give an example of a chemical change.

Back

Rust forming on iron.

Front

What happens during a chemical change?

Back

New substances are formed with different properties from the original substances.

Front

What is the difference between physical and chemical properties?

Back

Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What is reactivity with oxygen?

Back

A chemical property that describes how a substance reacts when it comes into contact with oxygen.

Front

What are some signs of a chemical change?

Back

Fizzing, foaming, color change, and the production of heat or light.