Physical & Chemical Changes Test Review

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties.

Front

Which diagram best represents a mixture?

Back

Diagram A, where different substances are mixed but not chemically combined.

Front

What is a physical change?

Back

A physical change is a change in size, shape, or state of matter without forming a new substance.

Tags

NGSS.MS-PS1-4

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Give an example of a physical change.

Back

An example of a physical change is ice melting into water.

Tags

NGSS.MS-PS1-4

Front

Give an example of a chemical change.

Back

An example of a chemical change is a copper penny turning greenish over time.

Tags

NGSS.MS-PS1-2

Front

What happens to substances during a physical change?

Back

During a physical change, the substances do not change their chemical composition.

Front

What happens to substances during a chemical change?

Back

During a chemical change, new substances are formed with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Which dissolves faster: crushed table salt or crystal table salt?

Back

Crushed table salt dissolves faster than crystal table salt.

Front

What is an indicator of a chemical change?

Back

An indicator of a chemical change can be a color change, gas production, or temperature change.

Tags

NGSS.MS-PS1-2