検索キーワード： 物事の仕組み

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 corn seed become corn on the cob? Follow each step in nature's cycle - from planting to picking and eating - 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!

How is honey made from a flower? Follow each step in nature's cycle - from pretty bloom to tasty treat - in this fascinating book!

How does an egg become a butterfly? Follow each step in nature's cycle - from egg to brightly colored insect - in this fascinating book!

How does wheat turn into bread? Follow each step in the food production cycle - from planting wheat seeds to eating toast with jelly - in this fascinating book!

How does milk turn into frosty ice cream? Follow each step in the food production cycle - from milking a cow to eating a frozen treat - in this fascinating book!

How do trees make sweet maple syrup? Follow each step in the food production cycle - from planting sugar maple trees to pouring syrup on pancakes - in this fascinating book!

How does grass help cows make yummy milk? Follow each step in the food production cycle - from cows eating grass to ice-cold milk - in this fascinating book!

How does a cocoa bean turn into tasty chocolate? Follow each step in the food production cycle - from planting cocoa trees to eating a sweet treat - in this fascinating book!

How do peanuts become creamy peanut butter? A farmer grows peanuts. The sun dries the plants. The peanuts are picked and sorted. Machines remove shells. Follow the process step by step as peanut butter is made.

How does hot wax become a colorful crayon? First wax is melted. Then a worker adds color. Next the wax is shaped. Soon the wax hardens. Discover all the steps in the process of making a crayon.

How does a butterfly grow? It starts with a mother butterfly laying eggs. Next the eggs hatch. A caterpillar eats and grows. Then it sheds its skin. See what happens step by step in a butterfly's life cycle.

How does a tree become a baseball bat? First, a tree is cut into logs. Then logs are cut and shaped. Next a machine carves them. Then the bat is sanded. Follow the process step by step.

Kids love asking big questions about space: How hot is the Sun? What are planets made of? What do astronauts see in space? Their questions won’t stop there — and they don’t have to. Our Solar System for Kids 8–12 turns every “why” and “how” into a moment of discovery. Your child will feel like a brave explorer as they learn real science through storytelling.

Time is central to our experience as humans, and it's important for children to know not just how to tell the time, but also how to make the most of it. About Time will help them learn how to tell the time on a variety of devices, and about all the different ways humans have tried to do this. Through unique and fun interactive elements, the book will also help children understand how clocks work and even build some time-telling and clockwork devices for themselves!

Does your child love to build, explore, experiment, and ask big questions about the world around them? Noa The Little Scientist: STEM Careers for Curious Kids introduces young listeners to a wide variety of fun, exciting, and real-world science, technology, engineering, and math (STEM) careers.

Machines can make our life easier. A simple machine is something that can change the direction or strength of a force. All complicated machines are made of one or more simple machines. Simple machines can reduce the effort needed for you to run them. See if you can find the simple machines around you.

Motor Mille elsker store, hurtige og vilde maskiner så meget, at hun har lavet en række programmer om det på DR Ramasjang. Hun har sejlet, ræset og fløjet i dem alle og fortæller historierne om, hvordan det gik. Man får også at vide, hvor hurtige og tunge maskinerne er, så man kan fortælle det, hvis man skulle støde på en af dem ude i virkeligheden.

Go-karts are fun and fast. These small vehicles can be made even stronger and faster and listeners will love finding out how!

Sounds can be loud. Sounds can be soft. We use our ears to hear all kinds of sounds. But how is sound made? Let’s investigate to find out about sound!

Scientists put things into groups so they are easier to study. Materials have different properties. What are they, and how they are grouped? Let’s investigate materials!

In science fiction, invisibility cloaks let their users vanish from sight and sneak around unnoticed. How could one of these stealthy pieces of clothing work? Scientists have some ideas, which involve bending light. Discover the science and technology behind what it would take to make a real-life invisibility cloak!

In science fiction, time machines let people travel backward in history and forward to the future. How could one of these time-traveling devices be created? Scientists have some ideas, which include using spaceships and black holes. Discover the science and technology behind what it would take to make a real-life time machine!

In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!

In science fiction, hoverboard users glide above sidewalks on machines that look like skateboards with no wheels. How could one of these floating boards be created? Scientists have some ideas, which include using powerful magnets. Discover the science and technology behind what it would take to make a real-life hoverboard!

In science fiction, deflector shields protect ships, bases, and even planets from enemy attack. How could a protective space that absorbs energy from weapons be created? Scientists have some ideas, which include using lasers. Discover the science and technology behind what it would take to make a real-life deflector shield!

In science fiction, jet packs let people zoom through the air at high speeds. Discover the science and technology behind what it would take to make a real-life jet pack!

In science fiction, people upload their minds into computers for them to be stored. How could this futuristic way of preserving the mind work? Scientists have some ideas, which involve mapping the brain cell by cell. Discover the science and technology behind what it would take to upload a mind in real life!

You probably use Wi-Fi all the time to connect to the internet through your laptop, tablet, or phone. It's easy. Wi-Fi hotspots surround you as you go through your day—from school to a pizza place or coffee shop, and then back home. Not so long ago, the internet wasn't as accessible. Find out how Wi-Fi works, how it became commonplace, and what it might do for you in the future.

In science fiction, flying cars let people soar over traffic jams and get to where they're going quickly. How could a vehicle that both flies and drives be created? Scientists' ideas for this involve futuristic materials and technology from drones. Discover the science and technology behind what it would take to make a real-life flying car!

Over the last 400 years, telescope technology has come a long way. From dying stars to burping black holes, take a look at the most exciting discoveries in deep space.

Create slippery slimes and frothy foams. Have a blast making colorful chalk explosions. Then, learn the science behind each marvelous mess! It's easy to start experimenting and discover just how fun STEM can be.

Think a soccer match begins with the opening kickoff? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional soccer—from prepping the pitch and cleaning cleats to player escorts and jersey swaps. This fast-paced, fact-filled book will give soccer fans, young and old, a brand-new perspective on major league soccer.

Looking to build some cool moving machines? Think small! Craft a tiny Ferris wheel or a super-small wobbling UFO. You might even make an itty-bitty disco ball. Tiny machines are tons of fun!