-How did the Ancient Egyptians build the pyramids? -What is an Archimedes’ screw? -Which wedge do you use every time you eat? Do It Yourself offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.

Updated for 2020, Intermediate readers explore electricity.

Updated for 2020, Emergent readers observe the way things move in different directions and speeds.

Updated for 2020, Emergent readers are introduced to simple machines and how we use them to move things.

Emergent readers observe the way things move in different directions and speeds.

Intermediate readers explore electricity.

This book explains how all forms of energy are either potential or kinetic. It addresses how energy can be used in the form of water to create electricity, in the solar form to heat our homes, and in the form of wind to turn the blades on a wind turbine.

Force and motion are introduced in this book, which features vivid photographs that make the content easy to understand. Examples that students can relate to in their everyday lives are provided throughout the text. A "Show What You Know" section in the back of the book presents three questions to reinforce content understanding.

This book introduces students to the concept of sound. How can sounds be heard but not seen? How does sound travel through air and at what rate of speed?

Bonobos explores the fascinating world of primates. The title includes information about classification, habitats, adaptations, food chains, behavior, and intelligence. Readers will also learn about the threats these creatures face, how they can help protect them and their habitats, and what the future holds for them.

Emergent readers are introduced to simple machines and how we use them to move things.

With an emphasis on how important light is to our planet, this beautifully-illustrated book explains how light affects photosynthesis, how light travels, and light's different properties. Whether it's ultraviolet light that helps bees pollinate flowers or solar panels that use sunlight to heat our homes, students learn about the various ways that both animals and people depend on light.