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 does the Law of Conservation of Matter state?

Back

Matter cannot be created or destroyed.

Front

What is a clinical trial?

Back

A type of test that medical scientists perform to assess a medicine's effectiveness.

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.