Burning paper

What happens in ALL chemical changes?

Putting mentos in pop.

Baking cookies

If you mix 1 gram of salt with 50 grams of water, how many grams of matter will you have after the salt is completely dissolved?

Melting ice

Which type of change can usually be undone?

Changes between states of matter are often which?

What happens to the weight of matter when it undergoes chemical changes?

Frying an egg

A chemical change makes something new.

Which of these is true of fruits blended together?

Freezing water is an example of a physical change.

A car rusting is an example of a physical change.

You tear your homework into little pieces. How much does your homework weigh after you tear it up?

Copper roof changing color.

The spoining of milk is an example of which type of change?

Is beating egg whites a physical or chemical change?

Gallium spoon meling is a ________ change because a puddle of gallium metal is left afterwards.

Crashing cars is what type of change?

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