検索キーワード： 物事の仕組み

Sound is a travelling wave transmitted through a solid, liquid, or gas, composed of frequencies that our ears can hear. This audiobook explores sound and it's secrets.

Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye. This audiobook explores lights and it's secrets.

People use many kinds of computers. There are desktop computers, laptops, tablets, smartphones, and even some toys and cameras. Do you know what parts are similar in all computers? Or how these parts work together? Listen to this book to find out!

Programs and apps make computers useful. They let you do homework on laptops. They let you play games on smartphones and tablets. What programs and apps are the most important? Who makes them? Listen to this audiobook to find out!

The internet connects computers across the world. You may have used it to surf the web or email your friends. But how does it work? How can it send information around the globe? Listen to this audiobook to find out!

Gail Gibbons uses clear, simple wording to present all the steps involved in building a house. From the architect who draws the plans, through the various types of workers who construct it, to the family who will make the house their home, each aspect is explained. Children can easily follow along as construction begins at the ground level with surveyors, describing the jobs of carpenters and plumbers.

How does steel become a shiny new bicycle? Follow each step in the process - from shaping the steel to testing the finished bike - in this fascinating book!

How does iron turn into a brand-new car? Follow each step in the production cycle - from digging up iron ore to hitting the road - in this fascinating book!

Did you know people can turn the energy in rushing water into electricity? This hydropower can run the computer and the lights in your home. How exactly do we get it, though? And what is the impact on our environment? Listen to this audiobook to find out all about hydropower.

Space vehicles are out of this world! But how do they fly out into space? How do they carry people safely? And what parts do these amazing aircraft have? Find the answers inside this book!

Parachutes can be used for emergency landings. But they can also be used for flying fun! Who packs a parachute? And how does its light fabric keep you afloat? Discover the answers inside this audiobook!

Jets are sleek and powerful. They travel very fast. But how do these heavy planes fly? And how do pilots land them? Listen to this audiobook to find out!

Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Listen to this audiobook to find out!

Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Listen to this book to find out!

Would you want to swoop through the air like a bird? Riding a hang glider is a fun way to fly. But a hang glider has no motor. How does the pilot take off? How does the hang glider stay in the air? Learn the answers in this audiobook!

Carefully leveled text engages young listeners in learning about how construction workers help their community. Age-appropriate critical thinking questions and a glossary help build nonfiction learning skills.

Books are one of humankind's greatest forms of expression, and now Book, in a witty, idiosyncratic voice, tells us the inside story. A wonderfully eccentric character with strong opinions and a poetic turn of phrase, Book tells of a journey from papyrus scrolls to medieval manuscripts to printed paper and beyond - pondering, along the way, many bookish things, including the evolution of the alphabet, the library (known to Egyptians as "the healing place of the soul"), and even book burning.

How does a tadpole become a frog? Follow each step in nature's cycle - from egg to adulthood - in this fascinating book!

How does an apple tree produce a tasty fruit? Follow each step in nature's cycle - from starting a new tree to eating a juicy apple - in this fascinating book!

How does a foal grow into a horse? Follow each step in nature's cycle - from birth to stallion or mare - in this fascinating book!