Examines how electronic games and other devices are designed, tested, manufactured, and marketed, and explores their life cycle, including their disposal and recycling.
Introduces garbage and recycling, discusses how littering can be harmful to animals and the environment, and examines what readers can do to reduce and reuse in their homes.
"What is a mixture? Which materials dissolve in water? When do we use a filter? Read 'Mixing and Separating' to learn that a mixture can be made of solids, liquids, or gases. Discover how we use mixtu
Presents an introduction to mixing and separating, describing how materials can change into something else by separating the pieces of one material or mixing two materials together; and includes simpl
Explains how weather and climate can be measured using graphs and charts and answers such questions as "What is climate change," "How deep is Earth's atmosphere," and "What does a hygrometer measure."
Explains how weather and climate can be measured using graphs and charts and answers such questions as "What is climate change," "How deep is Earth's atmosphere," and "What does a hygrometer measure."
Introduces the various ways the chemical elements respond to changes in temperature and pressure and how they react with each other, describes the role of such changes in everyday life, and suggests r
Introduces the various ways the chemical elements respond to changes in temperature and pressure and how they react with each other, describes the role of such changes in everyday life, and suggests r
What is a meteorite? Why can you find seashell fossils on Mount Everest? What are gemstones made of? In Focus: Rocks and Fossils has the answers! In Focus is a cool information series that's perfect f
Readers will become masters of science using objects found in their everyday lives to conduct experiments with matter and materials. They are introduced to the essential concepts of matter and materia
Readers will enter the exciting world of science with this guide to experiments with magnets and electricity! They’ll learn about currents, batteries, circuits, and more through hands-on application o
Sound and light aren’t just sensations picked up by our senses—they’re examples of science at work in the wonderful world around us! Budding scientists will delight in the text’s age-appropriate exper
Air and water are found all around us. Readers will see how fun it is to work with them in this step-by-step instructional guide to experiments with air and water! Readers are treated to a lesson in t
This fantastic book of experiments and projects will not only explain many of the astonishing technological developments of our time, but will also give children hours of learning fun. Each concept is
"A hands-on approach introduces young scientists to wheels and axles. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curr
"A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curr
How much of the Earth's water is in the oceans and seas? Why do icebergs float? How do insects stand on water? 'Do It Yourself' offers an exciting new approach to understanding and investigation. Each
Presents experiments to demonstrate the properties of water, including the different states of water, how clouds form, and why some objects are buoyant in water.
Looks at legends about vampires and werewolves in different cultures, their reputed appearance and behavior, similarities between the two creatures, and possible scientific explanations of the old sto
Examines how optical engineers combine the study of light and vision with the engineering design process to create world-changing instruments and technologies, including how these engineers define pro
