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What Are Chemical Reactions?
What Changes Happen During Reactions?
When Do Reactions Happen More Quickly?
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atoms combine atoms joined atoms or molecules baking powder bath bomb bath salts Black powder bonds with oxygen bottle Bubbles Burning fuel carbon dioxide gas catalysts chemical property describes chemical reactions need chemical symbol color producers combine to form comes from chemical copper cork creates heat different atoms different colors electrons example firebreaks Fireflies fireworks fizzing flour form compounds form rust galvanized gases glucose Gold H20 water happen faster happen more quickly Heinemann Library hydrogen atoms iron oxide lemon juice lightstick liquid magnesium magnetite materials matter metal elements mixture molecule of H20 nucleus number of atoms oxidation reactions oxygen atoms oxygen from getting periodic table Photosynthesis physical change physical properties pushes react with water reactants Reactions Happen reactions need energy reactivity series reacts with oxygen slow reaction solid steel underneath steel wool substances that react teaspoon thermometer third glass type of atom unreactive vinegar Zinc oxide