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7.5A Photosynthesis

RADIANT ENERGY Energy from the sun that reaches earth as visible light, & ultraviolet/infrared (heat) radiation.
CHEMICAL ENERGY Energy stored in chemical bonds & released through chemical reactions.
PHOTOSYNTHESIS Chemical reaction in which plants convert Sun's radiant energy into chemical energy; converts carbon dioxide & water into glucose & oxygen; photo=light.
CHEMICAL REACTION Process by which 2 or more chemical substances interact & are chemically changed, producing different chemical substances.
REACTANT Substance that takes part in & undergoes change during a reaction.
PRODUCT Substance produced during a chemical reaction.
GLUCOSE Simple carbohydrates produced by photosynthesis; used to store energy & build structural molecules.
ATOM Smallest particle of an element, made of electrons, protons, & neutrons.
MOLECULE Simplest unit of a chemical compound that can exist, formed when 2 or more atoms join together chemically.
LAW OF CONSERVATION OF MATTER Matter is neither created nor destroyed but can only be transformed.
OXYGEN Colorless, odorless, reactive gas and life-supporting component of air; waste product of photosynthesis.
CARBON DIOXIDE Colorless, odorless gas produced by burning carbon and organic compounds and by respiration; naturally present in air and is absorbed by plants in photosynthesis.
CARBOHYDRATES Any of a large group of organic compounds occurring in foods and living tissues, including sugars, starch, and cellulose.
STOMATA Small openings on the underside of a leaf through which oxygen and carbon dioxide can move.
CHLOROPLAST Organelle found in plant and algae cells where photosynthesis occurs.
CHLOROPHYLL Green pigment in plants that absorbs light energy used to carry out photosynthesis.
WATER Colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms, reactant of photosynthesis.
Created by: trauberk
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