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Science Vocab

TermDefinition
Physical Properties Characteristics that you can observe(qualitative) or measure (quantitative) without changing the identity of the matter.
Mass The amount of matter in a substance.
Volume The amount of space a substance takes up.
Density The mass per unit volume of a substance.
Chemical Property A characteristic of matter that can be observed as it changes to a different type of matter.
Flammability The ability of a type of matter to burn easily
Oxidation Is when substances react with oxidizing agents, changing it to a new substance.
Reactivity Is when a substance reacts with another substance, changing it to a new substance.
Chemical Change Matter changes into other substances with different chemical and physical properties.
The Law of Conservation of Mass The total mass before a chemical reaction is the same as the total mass after the chemical reaction.
Chemical Reaction When atoms of one or more substances rearrange to form one or more new substances.
Reactants The starting substances in a chemical reaction.
Products The substances produced by the chemical reaction.
Endothermic Reaction Chemical reactions where more energy is required to break the bonds of the reactants than is released when products form.
Exothermic Reaction More energy is released when the products form than is required to break the bonds in the reactants.
Law of Conservation of Energy Even though energy is always transferring, energy is not created or destroyed.
Created by: zornlac31
 

 



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