Carbon Cycle, Cellular Respiration, Photosynthesis

Term Definition
Atom The basic building block of the universe. More than one of these forms a molecule.
Molecule A group of atoms that are held together by chemical bonds.
Carbon, Oxygen, Hydrogen Three atoms that are necessary to carry out life processes.
Carbon Dioxide (CO2) A gas that plants breathe in. This gas is a reactant in photosynthesis and a product of cellular respiration.
Carbohydrate Types of molecules that include sugars, starches, and fiber.
Chlorophyll A green pigment that captures light energy for photosynthesis.
Glucose A molecule of sugar that is a product of photosynthesis and a reactant in cellular respiration.
Fossil Fuel Formed from decomposing plants and animals.
Chloroplast An organelle found in plants and algae where photosynthesis takes place.
Mitochondria An organelle in Eukaryotic cells where cellular respiration occurs.
Carbon Cycle The movement of carbon from the nonliving environment into the living environment and back.
Combustion The process of burning something
Consumption The using up of something.
Decomposition The breakdown of the remains of dead organisms or animals wastes.
Law of Conservation of Mass Mass can not be created or destroyed.
Law of Conservation of Energy Energy can not be created or destroyed.
Energy The capacity to do work.
Mass The measure of how much matter is in an object.
Matter Anything that has mass and takes up space.
Reservoir A body of water used as a water supply.
Reactants What goes into a reaction; the inputs.
Products What come out of the reaction; the outputs.

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