How do you change the speed of a moving object? This interesting book explains how forces, such as friction, and the mass of an object, can change the speed of an object in motion. Simple activities help children understand such concepts as acceleration and deceleration.
Clean air is essential to the health of the planet. This colorful title examines the importance of air to all living things and provides practical ways young readers can protect this valuable resource.
Rocks and minerals make up the foundation of our world. Relatable examples and accessible text combine to introduce young readers to these vital resources and explain how their actions can help preserve them.
From the foods we eat to the flowers we grow, soil is an important natural resource in the growing cycle of plants. This informative title explains how soil is made and shares simple steps with readers on how to protect this often overlooked resource.
Without water, life on Earth would not exist. This book provides a refreshing look at the uses of water and the importance of conserving and protecting this life-giving resource.
This fast-moving book about cars uses dynamic photos and interesting facts to explain the basics of how they work. Topics include the engine, steering, going fast and slow, different kinds of fuel, and driving safety. A quiz at the end tests the reader's knowledge.
Find out all about diggers and cranes, from bulldozers and tunnelling machines to the biggest tower cranes. Zoom in, see them up close and discover what makes them work. Then try the quiz to see how much you've learned!
This fast-moving book about motorbikes uses dynamic photos and interesting facts to explain the basics of how they work. Topics include the motor, tires, going fast and slow, steering and countersteering, and driving safety. A quiz at the end tests the reader's knowledge.
Kids love machines that fly! This amazing book explains the basics of how planes and helicopters work. Topics include engines, wings, propellers, fuel, and flying safety. A quiz at the end tests the reader's knowledge.
Learn all about tractors, from machines that lift, load, pull and push to the latest combine harvesters. Zoom in, see them up close and discover what makes them work. Then try the quiz to see how much you've learned!
This entertaining book about trucks explains the basics of how trucks work. Topics include big and small kinds of trucks, tires, hydraulic beds that can be raised up, different kinds of fuel, and driving safety. A quiz at the end tests the reader's knowledge.
This title introduces the properties of liquids. Young scientists will discover what happens to a liquid when it is heated and cooled. Readers will observe, describe, and compare the properties and behaviors of liquids. Relatable examples help readers make meaningful connections to the text.
Sounds help us understand the world around us. This engaging title provides a close-up look at the science behind different sounds. Readers discover how sound waves travel through different matter and learn about concepts such as echoes, volume, and pitch. Accessible language and relatable examples support reader comprehension.
This engaging title introduces readers to the science of light waves. Relatable examples, accessible text, and a creative design challenge help readers discover the properties of light waves and their essential role in seeing our world.
What happens when light is blocked? How can we redirect light? Readers will discover the answers to these questions and more in this fact-filled title. Readers will explore the properties of transparent, translucent, opaque, and reflective materials, and learn how to redirect light beams and create shadows.
This book introduces the concept of sound waves in a relatable, child-centered way. Readers will discover that matter must vibrate to make sound and that sound can make matter vibrate. They will also learn how sound waves are used for communication and be able to demonstrate this knowledge by creating their own sound devices.
From video games and sports equipment, to cars and cleaning products, many of the things we use everyday were designed by engineers. This exciting title incorporates child-centered examples and engaging text to capture the readers attention as they explore the connections between engineering, science, and technology, and discover how engineering impacts our day-to-day lives.
Models play an important role in engineering - they are used to test and improve designs. Readers will learn how engineers use different kinds of models and identify how a model and its subject are alike and how they are different.
Most people try to avoid problems, but not engineers! They go out and look for problems! In this fun, new title readers will learn about the kinds of problems engineers help solve. Readers are also introduced to the tool engineers use to solve problems - the Engineering Design Process.
Engineers know that there is always more than one possible solution to a problem! This interesting title uses accessible text and relatable examples to explain how engineers test and compare different solutions to determine which solution is best.
Water Habitats features breathtaking photographs, detailed illustrations, and text that is easy to read, yet comprehensive. Young readers will enjoy learning about the different types of water habitats, including oceans, lakes, rivers, and swamps. This book also discusses the differences between saltwater habitats and freshwater habitats, the plant and animal life in each water habitat, and how animals find food and protect themselves.
Kangaroos, wallabies, koalas, sugar gliders, and opossums are just a few of the marsupial babies introduced in this book. Children will learn that marsupial babies are born earlier than other baby mammals are and continue to grow and nurse inside their mothers pouches. They will love the pictures of these cute animals peeking out at the world around them. The book introduces life cycles, bodies, the foods these animals eat, how they move, and where on Earth they live.
This book tells the story of Ankylosaurus. This armored beast looked like a walking tank. It lived during the Cretaceous period between 100 and 65 million years ago and fed on plant material. At the end of its tail grew a bony club that it used to protect itself.
This book tells the story of the enormous Apatosaurus, who lived during the late Jurassic period between 170 and 140 million years ago. It weighed up to 33 tons (30 metric tons), was more than 65 feet (20 meters) long, yet ate only plant food. It had bony skids on the underside of its long tail to protect the soft parts.
This book tells the story of the powerfully built Sabre-tooth Tiger who stalked the land more than 10,000 years ago. It was like no cat living today. At the front of its jaw grew two long, curved canine teeth that resembled two sharp sabres. A fierce predator, it used these long teeth to pierce the flesh of its prey.