Some scientists say there could be 200 million different types of living things in the world. Actually, nobody really knows. But there is a problem. Many of these different types of things are becoming extinct. Find out why. Find out which animals are in danger and what we can do to save them. Then read Where The Forest Ended. It's a story that shows that sometimes answers aren't easy.
Provides factual information about the natural history of the California condor through the fictional story of a young boy's discovery of a young bird in trouble.
Fourteen-year-old Jonathan receives a message from a fish while diving in Hawaii and becomes concerned about ocean pollution.
Although Comstock Lode made many people near Virginia City rich, it left a torn and tattered town. The lesson of the Comstock Lode legacy is that what people have done in the past affects people today. And what we do today can affect the world tomorrow.
Describes how a school bus carrying twenty children became stranded during a blizzard in Towner, Colorado, in 1931.
Ben finds himself in charge as record floodwaters destroy Johnstown. This book is about a family who survives the Johnstown flood of 1889.
Looks at ten animals at risk of becoming extinct, and explains how to help protect the animals and their habitats.
Provides factual information about the natural history of the Florida manatee through the fictional story of a young manatee named Dudley.
This book takes a scientific look at the destruction of different habitats. Reading Essentials in Science.
This book takes a scientific look at global warming. Reading Essentials in Science.
This book takes a scientific look at keeping our food and water safe. Reading Essentials in Science.
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 consumption and waste. Reading Essentials in Science.
This book is an introduction to the harmful effects of alcohol, tobacco, and drugs. 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.