Introduces seven basic rules of safety in the science laboratory, including following directions, washing hands, and looking and listening, but never tasting or smelling materials.
Introduces photosynthesis, the process by which plants and other organisms use energy from the sun to turn water and carbon dioxide into food, and explains how food and oxygen produced in this way mak
The sun, lightbulbs, and flickering fires all bring light to our world. But have you ever watched light rays moving? Or seen how light rays reflect off objects? Now you can! Explore light with the fun
How have people traveled and moved goods throughout history, and when were different methods invented? From canoes to trains, cars to airplanes, this book length timeline is packed with all kinds of t
How long does it take to get into outer space? About nine minutes! Powerful vehicles carry people beyond Earth's atmosphere in a short time. But astronauts train for years before they go on missions.
Introduces some of the ways that animals that live in climates with cold winters react to the changing seasons, including migration, hibernation or resting without complete hibernation, adopting camou
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work! Wheels and axles are simple machines. They help us to do jobs more easily. But don't tak
Presents a timeline of key events in United States history, from the European discovery of North America and the American Revolution to the creation of the United Nations and the acquisition of foreig
The Internet connects computers in over 250 countries on every continent, bringing easy access to information and services to millions of people. Along with convenience, Internet connections carry ris
Describes patterns, including visual patterns, sound patterns, and number patterns, and teaches young readers how to use patterns to predict what will come next.
You're lost amid dangerous, unseen predators after your plane crashes in the Amazon jungle. By parachuting out of the plane, you landed safely, but yore all alone with little food and water. Do y
