Chemistry can make our world better. Farmers use special chemicals to help grow bigger and more nutritious crops. Chemists create new medicines that treat illnesses and pain. From plastics to batteries, learn the science behind the substances we use in daily life and meet the scientists who helped us discover more about them. Engaging photos and real-world examples help explain chemistry, while an encyclopedic-entry-style format makes the text approachable and highly browsable. Final comprehension questions encourage reflection on what readers have learned.