Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It...

A laser is a device that makes a beam of light. The light from lasers can be used in many special ways. Lasers help people every day! Learn about the many ways that lasers are used with this Spanish book! Along the way, you'll practice measuring length. This math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table...

Inka rulers led a huge empire with grand palaces. They had incredible riches. Artists made statues out of gold and silver. The Inka also made masterpieces out of grass. Their grass bridges crossed deep canyons. These engineering marvels let soldiers and messengers travel around the empire. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about...

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging...

A researcher looks at cells under a microscope. A scientist studies bacteria in a Petri dish. A student boils liquid in a test tube. What do these things all have in common? The answer is: glass! Learn how something as simple as glass has played a huge role in scientific exploration with this fascinating Informational Text created in collaboration with the Smithsonian Institution! Build reading skills while engaging students' curiosity about STEAM...

After disasters, robots can help save lives. They search for survivors from their air, climb through piles of rubble, and help human rescue workers stay safe. Search-and-Rescue Robots introduces readers to examples of these robots, the challenges faced by their designers, and the advances that are on the horizon. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents,...

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.

Virtual-reality headsets are a Modern Engineering Marvel! In this engaging title, readers will explore the history of virtual-reality immersion from the stereoscope and View-Master to flight simulators and arcade games to today's head mounted displays! Palmer Lucky and Occulus Rift are featured, and a colorful infographic shows how a virtual-reality headset works. Readers will learn about the future of virtual-reality headsets including military training...

Wearable technology is a Modern Engineering Marvel! In this engaging title, readers will explore this history of wearable technology from the wristwatch to the Walkman to the eye-cam! The Father of Wearable Computing, Steve Mann, is featured, and a colorful infographic shows the functions and features of a smart watch. Readers will learn about the future of wearable technology from impact sensors in football helmets to clothing that can detect dehydration....