Physical and Chemical Changes Form B

what is the definition of physical change?

• changes affecting the form of a chemical substance, but not its chemical composition.

• rusting

• any property that is measurable, whose value describes a state of a physical system

what is the definition of chemical change?

• matter cannot be created or destroyed, only change form

• any change that results in the formation of new chemical substances. 

• changing clothes

Q. 

Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.

• Chemical Change

• Physical Change

tire inflated with air

• physical change

• chemical change

fireworks explode

• physical change

• chemical change

 

A change that alters the physical properties of a substance without changing its composition.

• Physical Change

• Chemical Change

Water freezing into ice is an example of a...

• Physical Change

• Chemical Change

 

Any change in the state of matter of a substance is a...

• Physical Change

• Chemical Change

A change in matter that forms one or more new substances with new chemical properties is a/an...

• Physical Change

• Chemical Change

 

Which of the following indicates a chemical change?

• Change in state of matter

• Temperature change

• Change in size