Chemical Changes

Tick all the following that are signs of a chemical change:

• There is a colour change

• The mass of the object doesn't change

• A gas has been given off

• The change cannot easily be reversed

• The change can easily be reversed

Tags

NGSS.MS-PS1-2

Tick all the following that are signs of a physical change:

• The substance changes state (liquid to gas, or solid to liquid ect.)

• The change cannot easily be reversed

• No new substances are formed

• The mass of the object doesn't change

• The change can be easily reversed

Tags

NGSS.MS-PS1-4

Is burning a match a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is frying an egg a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is toasting bread a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-4

Is melting an ice cube a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is an explosion a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is BBQ'ing a sausage a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is a snowflake forming a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-4

Is metal rusting a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5