This book explains what watersheds are, their role in the water cycle, and where the world's major watersheds are located, and describes the characteristics of divides, which are the geographical separations between watersheds. Reading Essentials in Science.
This book discusses how the digestive system breaks down food, absorbs nutrients, and gets rid of waste. The alimentary canal along with help from the liver, gallbladder, and pancreas form this organized system of digestion. Reading Essentials in Science.
This book describes Earth's deserts, where they are located, and how plants, animals and people have adapted to life there. Reading Essentials in Science.
This book looks at the characteristics of chemical energy and discusses the various sources that produce chemical energy. Reading Essentials in Science.
This book explains the history and characteristics of light and how it is used. Reading Essentials in Science.
This book takes a scientific look at consumption and waste. Reading Essentials in Science.
his book discusses how the main job of the circulatory system is to deliver oxygen and nutrients to the body. The heart, blood vessels, and blood make up the circulatory system. Reading Essentials in Science.
This book examines chemical reactions and provides information on different kinds of reactions, what causes them, and the elements and compounds that react with one another to achieve stability within the reaction. Reading Essentials in Science.
This book explains how plants and animals are classified. Reading Essentials in Science.
This book introduces amphibians and reptiles, including information about the characteristics they share and those that are different. Reading Essentials in Science.
This book is an overview about air and wind and describes many of their features, for example, that air has weight and that wind is motion energy. Reading Essentials in Science.
This book is an introduction to the harmful effects of alcohol, tobacco, and drugs. Reading Essentials in Science.
This book is an overview on birds and how they are grouped according to common characteristics, including songbirds, waterbirds, flightless birds, fowl, and birds of prey. Reading Essentials in Science.
This book explains what the brain and nervous system are and how they function in the human body. Reading Essentials in Science.
Acids release hydrogen ions. Bases release hydroxide ions or accept hydrogen ions. This book provides examples of these everyday acids and bases that are used daily, or in chemical laboratories. Reading Essentials in Science.
This book introduces the various types of environments in an ocean and along an ocean's shore, including rocky cliffs where hardy plants grow and the underwater communities of the coral reefs. Reading Essentials in Science.
This book explains how species have adapted to their environment over time in order to survive. Reading Essentials in Science.
This book explains the structure and behavior of the atom and how it to combines with other atoms to form molecules and compounds. Reading Essentials in Science.
Atomic (nuclear) energy and technology can be used to produce electricity, power ships, preserve foods, and to diagnose and treat diseases. This book presents an introduction to atomic energy, covering topics such as the structure of an atom, fusion, fission, nuclear power plants, and the debate over atomic energy. Reading Essentials in Science.
This book takes a scientific look at extraterrestrial and if they exist here on Earth. Reading Essentials in Science.
This book introduces bones and the human skeleton and explains their functions, which include supporting the body, giving it shape and structure, and protecting the major organs such as the heart and lungs. Reading Essentials in Science.
Crustaceans, arachnids, and insects are part of the arthropod family. Reading Essentials in Science.
Bacteria are single-celled organisms with the ability to help and harm other living things. Viruses can only reproduce in host cells, often causing infections. Reading Essentials in Science.
The Internet is a great tool for learning. Its also a lot of fun for games, keeping up with friends, or reading about the things you love. But there are also dangers on the Internet. You can't always know for sure to whom you're talking. Information you put online that you think is safe may become a target for people who are up to no good. Pictures you share with one person can end up in the hands of people you'd never have sent them to. The Internet can become a scary place.
Storms, tornadoes, floods, wildfires - the world is full of natural disasters that do terrible damage to our homes, towns, and cities. Knowing how to prepare for a natural disaster and what you can do if one does happen is the best way to keep yourself safe.
