Chemical and Physical Changes Review

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and includes processes like burning, rusting, and digestion.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is ice cream freezing a chemical or physical change?

Back

Physical change.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

Is digesting food a chemical or physical change?

Back

Chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What does it mean if a substance can react with vinegar?

Back

If a substance can react with vinegar, it indicates a chemical change, as it involves a reaction that produces new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is density?

Back

Density is a physical property defined as mass per unit volume of a substance. It helps determine whether an object will float or sink in a fluid.

Front

Is density a chemical or physical property?

Back

Physical property.

Front

What is an example of a physical change?

Back

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

Tags

NGSS.MS-PS1-4

Front

What is an example of a chemical change?

Back

An example of a chemical change is the rusting of iron.

Tags

NGSS.MS-PS1-2

Front

What happens during a chemical change?

Back

During a chemical change, the bonds between atoms are broken and new bonds are formed, resulting in new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5