Chemical Reaction Vocabulary Chemical Reaction Explanation CHEMICAL Reaction
Chemical Reaction Vocabulary
Chemical Reaction Explanation CHEMICAL Reaction Example The making Trees take in and breaking of carbon dioxide bonds to create and water to NEW create oxygen substances and glucose with NEW (CO 2 + H 2 O properties! C 6 H 12 O 6 + O 2) Picture
Chemical vs. Physical Properties Explanation CHEMICAL Properties PHYSICAL Properties Example Characteristic Reactivity-how that describes well objects react an objects ability with other to change substances (you identity need to test this You need to test by doing) in order to see Characteristics that describes an object. Do not need to do anything to object to see Ms. Cumbo’s cat is black with white paws and green eyes. He has the softest fur Picture
Chemical vs. Physical Change CHEMICAL Change PHYSICAL Change Explanation Example Picture When a substance changes its identity When H and O bond, the go from being gasses to a liquid H 2 02 When a substance changes its appearance; but keeps its identity When water boils, it goes from a liquid to a gas, but is still water H 2 O
Endothermic vs. exothermic reaction Explanation Example Endothermic reaction When energy is taken in in order to complete a chemical change In photosynthesis, trees need light to break down reactants and create products Exothermic reaction When energy is given out during a chemical change When burning wood, heat and light are given off Picture
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