All life depends on the layers of gases that surround the Earth. This book explains the importance of the atmosphere for life on Earth, discussing the gases that make up the air, water vapor in the atmosphere, air pressure and movement, the layers of the atmosphere, and global warming. Reading Essentials in Science.
This book takes a scientific look at different energy sources. Reading Essentials in Science.
This book takes a scientific look at weather forecasting. Reading Essentials in Science.
This book is an introduction to the concept of energy discussing its forms and the laws that govern it. Reading Essentials in Science.
The complex processes that go on inside cells keep all living things alive. Reading Essentials in Science.
All living things are made of cells. These microscopic building blocks of life grow, react to changes in the environment, change nutrients into energy, and reproduce. Reading Essentials in Science.
This book explains what matter is, if it is solid, liquid, or gas, and how it can be classified. Reading Essentials in Science.
Jellyfish, sea anemones, and corals are members of the stinging cnidarian family. Flatworms, roundworms, and earthworms are three major types of worms. Reading Essentials in Science.
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.