Create your own

when the water changes to ice,what kind has occurred?

• chemical

• physical

what type of change has occurred when a nail rusts

• chemical

• physical

what does is mean when there is a physical change?

• matter has changed

• matter has decomposed

• matter has changed size,shape or form

what does it mean there is a chemical change?

• there is a change in the size or shape of an object

• one substance has changed into another

• a solid changes into a chemical

which of these is an example of a chemical change that happens inside you body?

• food being decomposed by enzymes

• food being broken down into small pieces by your teeth

• food moves through you esophagus

what type of chemical change occurs over a long period of time?

• adding chlorine to a pool

• ice cream melting

• metal rusting

which box has a lighter density?

• box a

• box b

• they have the same density

a student removes a loaf of bread hot from the oven. the student cut a slice off the load and spreads butter on it.

• physical change

• chemical change

you forgot to dry the bread knife when you washed i and redish brown pots appeared on it.

• physical change

• chemical change

in a fireworks show, the fireworks explode off heat and light.

• physical change

• chemical change