Evidence of Chemical Changes

What is NOT a difference in physical and chemical changes?

• Appearance

• Composition

• Properties

• Occur in various forms of matter

Tags

NGSS.MS-PS1-2

What leads you to know a chemical reaction has occured?

• gas given off

• light or heat given off

• color change

• solid precipitate formed

• water is formed

Tags

NGSS.MS-PS1-2

What type of change forms new matter?

• Chemical

• Physical

• Both

• Neither

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is an example of a chemical property?

• Flammability

• Toxicity

• Luster

• Malleability

What is an example of a physical property?

• Luster

• Malleability

• Flammability

• Toxicity

What type of change is a change of phase?

• Physical

• Chemical

• Neither

• Both

Tags

NGSS.MS-PS1-4

What type of change does not affect the type of mother?

• Physical

• Chemical

• Optimal

• changing

Which results in a change of identity in matter?

• Physical

• Chemical

• Both

• Identity doesn't change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is rust on a car physical or chemical?

• Physical

• Chemical

• Both

• Neither

Tags

NGSS.MS-PS1-2

What are examples of physical properties?

• Color

• Temperature

• Malleability

• Flammability