7 - Lesson 12 Chemical Reaction Vocab

Front

What is a clinical trial?

Back

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

Front

What does the Law of Conservation of Matter state?

Back

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

Front

What is an endothermic reaction?

Back

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

Front

What is an exothermic reaction?

Back

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

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 product in a chemical reaction?

Back

A substance that is 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 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.

Front

What is the role of energy in chemical reactions?

Back

Energy is either absorbed or released during chemical reactions, influencing whether the reaction is endothermic or exothermic.

Front

What is an example of an endothermic reaction?

Back

Photosynthesis, where plants absorb energy from sunlight.