Digestive enzymes break down food into nutrients. Learn their types, functions, and importance in human and animal digestion.| Science Notes and Projects
Get the compound definition in chemistry. See examples of compounds and learn how they differ from molecules.| Science Notes and Projects
Get the liquid definition in chemistry and other sciences. See examples of liquids in everyday life. See what is not a liquid.| Science Notes and Projects
Learn about the types of chemical bonds and get examples of ionic, covalent, metallic, and hydrogen bonding in chemistry.| Science Notes and Projects