7 - Lesson 12 Chemical Reaction Vocab

Front

What is a substance that exists before a chemical reaction takes place?

Back

Reactant

Front

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

Back

Clinical trial

Front

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

Back

Scientific evidence

Front

What type of chemical reaction releases more energy to the surroundings than it absorbs?

Back

Exothermic reaction

Front

What is the scientific law stating that matter cannot be created or destroyed?

Back

Law of Conservation of Mass

Front

What do we call a substance formed as a result of a chemical reaction?

Back

Product

Front

What is the term for a reaction that absorbs energy from its surroundings?

Back

Endothermic reaction

Front

What is the process called when one or more substances change to form new 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 energy required to start a chemical reaction?

Back

Activation energy