Science Fair Daisy Dreier

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Across
  1. 4. carbon dioxide and water into sugar (glucose) and oxygen
  2. 6. A substance produced during a chemical reaction
  3. 7. Energy stored in chemical bonds and released through chemical reactions
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  1. 1. The process by which one or more substances change to produce one or more different substances
  2. 2. A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis Molecule The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically Photosynthesis A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction
  3. 3. The smallest particle of an element; made of electrons, protons, and neutrons
  4. 5. Energy Energy from the Sun that reaches Earth as visible light, ultraviolet radiation, and infrared (heat) radiation Reactant A substance that takes part in and undergoes change during a chemical reaction