Jaoquin Science Module 2 Lessons 2 and 3

Front

A change in matter in which the substances that makeup the matter change ito other substancesn

Back

Chemical Change

Front

A rule that states that matter cannot be created or destroyed

Back

The Law of Conservation of Mass

Front

A process in which atoms of one or more substances rearrange

Back

Chemical Reaction

Front

A starting substance in a chemical reaction

Back

Reactants

Front

A substance produced by a chemical reaction

Back

Product

Front

A number placed in front of an elements symbol or chemical formula in an equation

Back

Coefficient

Front

The energy released when atoms form bonds

Back

Chemical Potential Energy

Front

More energy is required to break the bonds of the reactant

Back

Endothermic Reaction

Front

More energy is released when the products form is required to break the bonds in the reactants

Back

Exothermic Reaction

Front

Law that states that energy is always transferring, but energy is not created or destroyed

Back

Law of Conservation of Energy