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chem and phy change
Term | Definition |
---|---|
Chemical change | occurs when a new substance is formed such as baking a cake most are not revesible |
color change-ripening fruit | chemical |
gas formation-burning wood | chemical |
solid formation-such as rust forming on a nail | chemical |
temperature change | chemical |
Physical change | changes in the state of matter (solid,liquid,gas) in a physical change a substance can be changed back to its original form |
3 states of matter | solid (ice) liquid (water) Gas (steam) |