Fall Review

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What type of change occurs when paper is heated with invisible ink?

Back

Chemical Change.

Tags

NGSS.MS-PS1-2

Front

What is a chemical change?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What happens to the temperature of a liquid during a chemical change?

Back

It can increase or decrease, indicating a reaction.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is an example of a chemical change?

Back

Rust forming on iron.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is an example of a physical change?

Back

Melting ice.

Tags

NGSS.MS-PS1-4

Front

What indicates a chemical change has occurred?

Back

Color change, temperature change, gas production, or precipitate formation.

Tags

NGSS.MS-PS1-2

Front

What is the difference between a chemical and physical change?

Back

Chemical changes create new substances; physical changes do not.

Tags

NGSS.MS-PS1-2