• Addition of energy to a substance can cause its state to change from a solid to a liquid and from a liquid to a gas.

• Reactants are substances that enter chemical reactions. Products are substances produced by chemical reactions.

• Enzymes lower the amount of activation energy necessary for a reaction to begin in living systems.

• A chemical reaction in which electrons are exchanged between atoms is called an oxidation-reduction reaction.

Vocabulary energy (p. 35) chemical reaction (p. 36) reactant (p. 36)

product (p. 36) metabolism (p. 36) activation energy (p. 36)

catalyst (p. 36) enzyme (p. 36) redox reaction (p. 37)

oxidation reaction (p. 37) reduction reaction (p. 37)

Sirens Sleep Solution

Sirens Sleep Solution

Discover How To Sleep In Peace And Harmony In A World Full Of Uncertainty And Dramatically Improve Your Quality Of Life Today! Finally You Can Fully Equip Yourself With These “Must Have” Tools For Achieving Peace And Calmness And Live A Life Of Comfort That You Deserve!

Get My Free Ebook

Post a comment