Chemical Reactions in Living Organisms

A process in which one or more substances, reactants, are changed into one or more different substances, the products.  Some reactants can combine to make energy as a product.

• chemical reaction

• reactant

• catalyst

• enzyme

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

 Substances that takes part in and undergoes change during a reaction.  These things need to be put together first before a chemical reaction can happen.

• chemical reaction

• reactant

• catalyst

• enzyme

The process by which food is broken down in the body to release energy and nutrients (chemical substances that living things need to grow and live).

• digestion

• chemical reaction

• endothermic reaction

• enzyme

Tags

NGSS.MS-LS1-7

The smallest unit of matter that has the properties of an element. It is made up of three types of particles: protons, neutrons, and electrons.

• atom

• molecule

• catalyst

• enzyme

Tags

NGSS.MS-PS1-1

A group of atoms bonded together.  

• reactant

• molecule

• catalyst

• enzyme

Tags

NGSS.MS-PS1-1

It releases energy in the form of heat or light.

This type can be chemical or physical.

• chemical reaction

• exothermic reaction

• endothermic reaction

• catalyst

Tags

NGSS.MS-PS1-4

It absorbs energy from its surroundings.

It can be chemical or physical.

• chemical reaction

• exothermic reaction

• endothermic reaction

• catalyst

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A substance that speeds up a chemical reaction without being used or changed.

• enzyme

• catalyst

• reactant

• molecule

They specifically exist in living things.  They help to build some substances and break others down through chemical reactions.

• enzyme

• catalyst

• reactant

• molecule

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-5