Scooby-Doo! A Science of Chemical Reactions Mystery: The Overreacting Ghost

Scooby-Doo! A Science of Chemical Reactions Mystery: The Overreacting Ghost — page 3
Chemical reactions happen all the time Daphne said Without chemical reactions life on Earth could not exist Look at plants and trees Velma continued Photosynthesis is a kind of chemical reaction Green plants absorb sunlight explained Fred The light energy changes carbon dioxide and water inside the plant into sugar and oxygen The sugar feeds the plant and the plant releases the oxygen into the air Daphne added I wonder what chemical reactions we can use to make a hotdog asked Shaggy Rum said Scooby FACT FILE A campfire is another type of chemical reaction Fire provides the activation energy Oxygen and wood are the reactants They turn into ash and smoke which along with carbon dioxide and water vapor are the products of the reaction