Matter

What is the definition of a physical change?

• Both the appearance of a substance and its identity change

• The appearance of a substance changes but its identity does not

• The identity of a substance changes but its appearance does not

• Neither the appearance of a substance nor its identity changes

Mrs. McGinnis begins grading papers. She writes on it with a marker. Then, she accidentally tears the paper in half. So, she ends up crumpling the paper into a ball and throws it away. Which are examples of physical changes?

• Writing with marker

• Tearing it in half

• Crumpling it up

• All of the above

What is the definition of a chemical change?

• Neither the appearance of a substance or its identity change

• The appearance of a substance changes but its identity does not

• A new substance is formed and the change is irreversible

• No new substance is formed

Tags

NGSS.MS-PS1-2

Is a change in size evidence for a physical or chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

Is a change in state (solid, liquid, or gas) evidence for a physical or chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

True or False: Chemical changes cannot be reversed.

• True

• False

Tags

NGSS.MS-PS1-2

True or False: Physical changes can change the color of matter.

• True

• False

True or False: A new substance is created during a physical change.

• True

• False

Tags

NGSS.MS-PS1-2

True or False: Baking a cake is an example of a chemical change.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

Is gas being released a sign of a physical or chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2