Physical vs Chemical Changes

In physical changes, substances might change in __________ but not in __________.

• appearance, composition
• volume, state of matter
• texture, color
• weight, mass

Tags

NGSS.MS-PS1-4

What happens to atoms after a chemical change?

• They remain in the same place.
• They become bigger.
• They link up in different ways.
• They dissolve to form a mixture.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.
• Dough becomes darker when it is baked into cake.
• A red candy dissolves and turns water pink.
• A match turns black when it is burned.

Tags

NGSS.MS-PS1-2

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Tags

NGSS.MS-PS1-2

A change in phase ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following can not be used as evidence of a physical change?

• New substance
• Shape Change
• Light produced
• Gas released.

A green powder is heated & a gas is given off while it turns to a black solid. This describes

• Physical Change

• Chemical Change

• Change in State

• Change in Temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Identify what type of change happening in the picture below...

• Chemical Reaction

• Physical Change

• Change in State

• Change in appearance only

Tags

NGSS.MS-PS1-2

Water that is heated and changed to steam is a 

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4