Changes in Matter. Physical Changes Def: alters the form of the object, but not its identity Ex: tearing paper, crushing a can, folding a piece of paper,

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Changes in Matter

Physical Changes Def: alters the form of the object, but not its identity Ex: tearing paper, crushing a can, folding a piece of paper, mixing salt into water, etc … Can you think of any other examples??

Chemical Changes substances combine or break apart to form new substances Ex: heating table sugar- sugar particles no longer exist burning wood- wood combines with oxygen to produce the glowing gasses (fire) wood changes into ash Any other examples????

Changing a Candle How can you physically change a candle? How can you chemically change a candle?