Chemical vs Physical Changes

Which of these is a CHEMICAL clue?

• State of matter

• Motion

• Fire

• Pressure

Which of these is a PHYSICAL clue?

• State of matter

• Fire

• Can't be reversed/undone

• New substance formed

Tags

NGSS.MS-PS1-4

I cut a pizza into 8 slices. Is that a chemical or physical change?

• Chemical

• Physical

Water evaporates. Is that a physical or chemical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Water vapor condenses. Is that a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is striking a match a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

Eating (and digesting) a sandwich: Is that a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

Which of these is a physical clue?

• Pressure

• A new substance was formed

• Smell

Tags

NGSS.MS-PS1-2

A balloon goes from being inflated to popped. Is that a chemical or physical change?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

Which of these is a chemical clue?

• A new substance is formed

• Size changes

• Temperature made a change in state of matter

• The object is in many pieces instead of one

Tags

NGSS.MS-PS1-2