Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-5

Front

What are the three states of matter?

Back

Solid, Liquid, and Gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a physical change?

Back

A physical change is a change in which the appearance of a substance changes but its identity remains the same.

Front

What is a chemical change?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is melting ice a physical or chemical change?

Back

Melting ice is a physical change.

Tags

NGSS.MS-PS1-4

Front

Is burning wood a physical or chemical change?

Back

Burning wood is a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What happens to the molecules in a solid when it melts?

Back

The molecules in a solid move faster and spread apart when it melts.

Tags

NGSS.MS-PS1-4

Front

Can physical changes be reversed?

Back

Yes, many physical changes can be reversed, such as freezing and melting.

Tags

NGSS.MS-PS1-4

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5