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Science Vocab S2

TermDefinition
Physical Properties The characteristics you can observe or measure 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 Occurs when substances react with oxidizing agents, changing it to a new substance
Reactivity Occurs when a substance reacts with another substance, changing it to a new substance
Chemical Change When matter changes into other substances with different chemical and physical properties
The Law of Conservation of Mass States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction
Chemical Reaction When atoms of one of 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 States that even though energy is always transferring, energy is not created and energy is not destroyed
Created by: poncmon31
 

 



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