Chris Oxlade

This book provides a simple and fun introduction to minerals, discussing different minerals, exploring how and why they have formed, how they have changed over time, their appearance and properties. With the help of some Rock Solid! facts that provide cool examples, the book will show you how amazing minerals can be: from ruby crystals and stalagmites and stalactites in caves to talcum powder.

States of matter looks at important topics in chemistry, such as solids, liquids and gases, changes of state, the water cycle, and mixing solids, liquids and gases. There are seven informative experiments that can be carried out at home, and useful diagrams, including the periodic table.

Light and sound both travel in waves, but sound waves travel significantly slower than light. Theories like this are difficult to grasp in words, but there are easy ways to see them in action. With this book's simple experiments, young scientists will test out how light can bend and how even invisible sounds can make things move, helping them understand how even the most complex theories work. Through step-by-step instructions, young readers will...

This book provides a simple and fun introduction to soil, discussing what soil is, how it is made and what we use it for. With the help of some Rock Solid! facts that provide cool examples, the book will show you how amazing soil can be: from making houses with mud bricks and how crops grow in volcanic soil to how tree roots can break up rock.

Did you know that the wheel was invented in prehistoric times, in about 3500 B.C.? Now we can travel between towns and cities in super-fast trains, in fast cars, and halfway around the world in a day in airplanes. From dugout canoes from 10,000 years ago right through to modern-day driverless cars, this book charts the amazing history of transportation.

The earliest tank was designed in the fifteenth century. Since then, tanks have developed into huge, powerful weapons. Get an up-close view of mighty tanks and artillery as you learn about a World War II gun that moved on railroad tracks, how explosive artillery shells work, and what's inside an armored tank! From ancient trebuchets and battering rams to digital technology on modern artillery, find out how tanks and artillery have changed throughout...

Rocas sedimentarias looks at how sedimentary rocks form, change, move, evolve, erode, and are recycled around the world.

Air and water are everywhere, playing a crucial role in human survival, and the survival of most of the planet. For a young scientist, understanding these integral parts of our world is the first step to understanding larger scientific concepts. From a hands-on approach to water surface tension to understanding air pressure, young readers will discover how both air and water work. Instructions and informative fact boxes help young readers to effectively...

Did you know that all gadgets and games have a life cycle? That's what we call the stages from their design, manufacture, and sale to their use, maintenance, and disposal. This book explains what happens during these stages, such as prototyping, the sourcing of components, the production process, the decisions made by designers and engineers, and recycling.

World War I explores the secrets of World War I. As in all wars, each side needed to keep secrets from the enemy. At the same time, they tried to discover the enemy's secrets, using spies and code-breakers.