Physical and Chemical Change

1. What happens during a physical change?

• a. a new substance is formed

• b. The identity of the substance is changed

• c. A chemical reaction occurs

• d. A property of the substance changes, but its identity stays the same

2. Which of the following is a chemical change?

• a. water boiling

• b. paper being cut

• c. ice melting

• d. iron rusting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3. Which is a clue that a chemical change has occurred?

• a. A beaker becomes warm when you mix two room temperature liquids together

• b. A liquid forms bubbles when it reaches a high temperature

• c. Water changes color when you add food coloring

• d. A car door feels hot if you touch it on a summer afternoon

Tags

NGSS.MS-PS1-2

4. Which of the following would cause a chemical change in a piece of wood?

• a. hammering a nail into the wood

• b. burning the wood

• c. painting the wood

• d. sawing the piece of wood in half

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5. A physical change is taking place when:

• a. a piece of paper burns

• b. a piece of fruit is rotting

• c. onions are chopped

• ​d. a nail rusts.

A change that alters the physical properties of a substance without changing its composition.

• Physical Change
• Chemical Change

Water freezing into ice is an example of a...

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change in matter that forms one or more new substances with new chemical properties is a/an...

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-5

Which of the following indicates a PHYSICAL change?

• Change in temperature
• Change in shape
• Formation of a precipitate
• Change in color

Tags

NGSS.MS-PS1-4

Chemical or Physical?  Glass breaking into tiny shards

• Chemical Change
• Physical Change