7 - Lesson 12 Chemical Reaction Vocab

Front

What is an endothermic reaction?

Back

A chemical reaction that absorbs more energy from the surroundings than it releases.

Front

What is a product in a chemical reaction?

Back

A new substance that forms during a chemical reaction.

Front

What is an exothermic reaction?

Back

A chemical reaction that releases more energy to the surroundings than it absorbs.

Front

What is a chemical equation?

Back

A shorthand notation made up of arrows and chemical formulas for reactants and products that summarizes what happens during a chemical reaction.

Front

What does the Law of Conservation of Matter state?

Back

Matter cannot be created or destroyed.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is the difference between reactants and products?

Back

Reactants are the starting substances in a chemical reaction, while products are the substances formed as a result of the reaction.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is activation energy?

Back

The minimum amount of energy required to start a chemical reaction.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed in the process.