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•When a substance changes from one state of matter to another, the composition of the substance remains the same. •The original substance still exists, it has only changed form.

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•Freezing•Melting of ice cream•Hardening of melted wax•Evaporating of water from wet clothes•Boiling•Dissolving sugar or salt in water•Stretching a rubber band•Wadding up a piece of paper•Denting a piece of metal•Shredding paper

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•Result in the formation of one or more new substances with new chemical and physical properties. •SOMETHING NEW IS PRODUCED!!!!!!

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•COLOR CHANGE•Iron rusts• bleach added to clothes• brown apples• black marshmallows.

•TEMPERATURE CHANGE•Wood burns to ash and the temperature increases.

•FORMATION OF A PRECIPITATE•Two solutions are combined to form a solid substance.

•FORMATION OF A GAS•Gas bubbles•Vinegar added to baking soda creates foaming.•Water is heated to boiling.

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