7 - Lesson 12 Chemical Reaction Vocab

Front

What is data that can be used to support a scientific claim or argument?

Back

Scientific evidence.

Front

What do we call a substance that exists before a chemical reaction takes place and changes as a result of the reaction?

Back

Reactant.

Front

What is a new substance that forms during a chemical reaction?

Back

Product.

Front

What type of test do medical scientists perform to assess a medicine's effectiveness?

Back

Clinical trial.

Front

What is the process in which one or more new substances form from one or more other substances?

Back

Chemical reaction.

Front

What is the term for the starting materials in a chemical reaction?

Back

Reactants.

Front

What is the term for the substances produced as a result of a chemical reaction?

Back

Products.

Front

What is the law that states that mass is neither created nor destroyed in a chemical reaction?

Back

Law of conservation of mass.

Front

What is the term for a change that occurs when a substance combines with another to form a new substance?

Back

Chemical change.

Front

What is the term for a visual representation of a chemical reaction, showing the reactants and products?

Back

Chemical equation.