Unit 5 Practice

Front

What is a physical change?

Back

A physical change is a change in an item's properties like its shape, size, or density.

Front

What type of change occurs when a candle burns?

Back

Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What happens when a pellet of sodium is sliced in two?

Back

Physical Change

Front

What is the independent variable in an experiment?

Back

The independent variable is the ONE thing you change on purpose.

Front

What type of change occurs when sugar dissolves in water?

Back

Physical change

Front

What is a chemical change?

Back

A chemical change is a change that creates a new substance or emits light or heat.

Tags

NGSS.MS-PS1-2

Front

Can a physical change be reversed?

Back

Yes, physical changes can often be reversed.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Tags

NGSS.MS-PS1-4

Front

What is an example of a chemical change?

Back

Rust forming on iron is an example of a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-5