検索キーワード： 物事の仕組み

Think big league baseball begins with the opening pitch? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional baseball—from prepping the diamond and welcoming fans to hawking hot dogs and broadcasting from the booth.

ATVs tackle the toughest land around. But there are lots of ways to make these vehicles faster and cooler and listeners will love finding out how!

Tractors, wagons, combines, and trailers—what are these things? They’re all machines on a farm! How do they work? What are they for? Kids can get to know the many machines that make farms go in this Pebble Sprout series.

A coat is made from different types of fabric, but could it be made with wood? It seems impossible, but wood has many advantages, and is used for everything from building houses to making toys. Learn more about different types of wood and their many uses. Could it really be used to make a coat?

ATVs tackle the toughest land around, but there are lots of ways to make these vehicles faster and cooler. Listeners will love finding out how!

Plastic is in lots of items you use every day. Find out about different types of plastic, what they are used for, and if you could really make a toaster from it.

ATVs tackle the toughest land around, but there are lots of ways to make these vehicles faster and cooler. Listeners will love finding out how!

A diamond is shiny. A brick wall is dull. Why are some objects shiny and others dull? Find out in this series about materials and their properties. Informative, at-level text helps listeners understand the differences between shiny and dull objects.

From the stethoscope to the clinical trial, this exploration of scientific inquiry celebrates the greatest inventions in medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action.

From the first immunosuppressant drugs to the first successful heart transplant, this exploration of scientific inquiry celebrates the greatest developments to date in transplant medicine. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine.

Do you like to be on the move? These hands-on, not-so-ordinary science projects are for you! Build speedy motorboats and buzzing bots. Take off with zooming, high-flying rockets. Then, learn the science behind each amazingly mobile creation! Simple step-by-step instructions make it easy to start experimenting and discover just how fun STEM can be.

A bowling ball is heavy. A feather is light. Why are some items heavy and others light? Find out in this series about materials and their properties. Informative, at-level text helps listeners understand the differences between heavy and light materials.

Ready to make some noise? These hands-on, not-so-ordinary science projects are for you! Design melodic musical instruments and squawking noisemakers. Turn up the bass with activities that let you see sound. Then, learn the science behind each rocking racket! Simple step-by-step instructions make it easy to start experimenting and discover just how fun STEM can be.

In mid-1860s, two railroad companies had a huge job in front of them: building the transcontinental railroad. The railroad would run from east to west across the United States. As the grueling work began, there were many choices to make. Now, the choices are yours.

Microwaves heat our food. They carry messages from phone to phone. They help detect the weather. Microwaves are all around us, even if we don't see them. Listeners will learn about microwaves and how we use them every day.

Human transportation has come a long way since the invention of the wheel. Vehicles of all sorts have us speeding across land, through water, and in the skies. What might be next? From self-driving cars to jet packs, listeners will discover exciting new ways they may get around in the future.

What does it take to make a tough tower? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best tower around!

Animals have many traits that help them survive in the wild. Inspired by animals' incredible abilities, military forces have created many machines over the years to achieve success on the battlefield. From the first remote-controlled vehicles to the advanced machines of tomorrow, learn how military robots and drones often imitate the abilities of animals throughout nature. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

From the written word to the cell phone, human communication has come a long way. What might the future hold? Listeners can discover how virtual reality, holograms, and a fully connected "internet of things" may affect how they communicate in the near and distant future.

Radio waves aren't just for listening to your favorite radio station! They are used to make GPS receivers and wireless internet work. Scientists use radio telescopes to help them study space. Listeners learn about radio waves and how we use them every day.