Physical and chemical properties

How do you know a property is chemical?

• you can observe it without changing the material

• it indicates a chemical change

Check all the PHYSICAL CHANGES:

• melting an ice cube

• burning a piece of paper

• painting a wall green

• cutting filter paper

• baking a cake

Check all the CHEMICAL CHANGES:

• melting an ice cube

• burning a piece of paper

• painting a wall green

• cutting filter paper

• baking a cake

Which type of changes DOES change the identity of the substance?

(a)  

what is an example of a physical property?

• blue color

• flammability

• react to water

• supports combustion

is melting icecream a physical er chymical change?

• chemical

• physical

• i dont know :(

burning wood is a physical change

• true

• false

• neither

density

• physical

• chemical

Dissolving sugar in water is an example of a 

• physical change
• chemical change

Cutting a log in to small pieces is a chemical change.

• true
• false