Chemical and physical changes
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Hello class! Today we are learning about chemical and physical changes!
This is a physical change because you can reverse putting salt in a water cup.
A tree growing is a chemical change because you can't reverse growing a tree.
A melting ice cube is a physical change because you can re freeze the water.
Baking a cake is a chemical change because you cannot reverse baking a cake.
Now you should be able to identify the difference between a chemical and physical change.
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