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 clinical trial?

Back

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

Front

What is the Law of Conservation of Matter?

Back

The scientific law stating that matter cannot be created or destroyed.

Front

What is a reactant?

Back

A substance that exists before a chemical reaction takes place and changes as a result of the reaction.

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 is an exothermic reaction?

Back

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

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical 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 a catalyst?

Back

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

Front

What is a chemical bond?

Back

A lasting attraction between atoms that enables the formation of chemical compounds.