検索キーワード： 物事の仕組み

See how the science of physics is utilized not only in the kitchen, but also around the house on a daily basis. Simple machines are everywhere! From brooms and rolling pins to lightbulbs and window blinds, basic everyday kitchen items transform into scientific concepts such as screws, levers, ramps, and wedges!

A bicycle is a fun and efficient way to get from one place to another. But have you ever wondered what parts make up a bike? Some bikes have hand lever brakes while others do not. Riders with more experience usually set their seats a bit higher than those with less experience.

Did you know hot air balloons were dreamed up by a French boy in the 1700s? Joseph Montgolfier devoted his life to experiments that he hoped would allow him to fly. With the help of his little brother, his invention allowed humans to fly for the first time in history!

Do your shoes fasten with Velcro straps? Have you ever wondered where this strange invention comes from? Sometimes nature provides excellent inspiration for new solutions! Plant burs stuck in his dog's fur gave Swiss engineer George de Mestral a good idea.

Kaboom! Find out how explosions are used to demolish large buildings. Demolition experts say it's the safest way. Learn why!

Have you ever wondered how the Hoover Dam was built? Follow along as the Colorado River itself tells you its story! A lot of work went into the construction of this giant dam, but it was worth it—we now have Lake Mead and a way of converting the river’s energy into electricity!

Tugboats are tiny boats that fill a big role. Kids will discover how tugboat push and pull larger boats, like barges, through narrow waterways. Using a thick, strong rope, the tugboat guides big cargo boats through the harbor by helping to turn them.

Ever wonder why a smoke alarm goes off? A battery, siren, and metal can work together to detect smoke and sound the alarm when catching a whiff of smoke.

Follow the construction workers as they move from the ground up to build a skyscraper.

Have you ever wondered how fireworks work? This article gives you information about how these spectacular shows are created.

A bioengineer at Tel Aviv University in Israel explains how to extract renewable energy from a potato.

Explore the wonders of the world and the furthest frontiers of space – and learn to build the universe’s most incredible sights with LEGO® bricks! Look inside volcanoes, travel to the deepest depths of the ocean, find out what happens inside a black hole, send a message to aliens, and much, much more! Includes more than 70 out-of-this-world LEGO models to inspire you!

Do you know where your clothes come from? Learn about the processes of making certain materials that are used in clothing! Guess what plant or animal that rubber boots come from? What material is made from plastic bottles? You’ll be surprised to learn how the clothes you wear everyday are manufactured!

Click and his friends wish to live in their favorite tree like the friendly squirrels. They decide to build a treehouse—but first they must collect the necessary materials and learn what tools they'll need for the job! They find a hammer, saw, level and measuring tape. What safety tools with they need to build their treehouse?

What would we do without wheels? We use wheels for all kinds of things, including transportation. Learn about alternatives for transportation other than the wheel! Do you use any of these different ways of moving around?

Have you ever seen a bird nest? Birds make all kinds of different nests! Nests are made from lots of different kinds of materials and are shaped differently. Learn about the different kinds of nests that are made by different species of birds!

Have you ever wondered how buildings are created? Architects have to use lots of different shapes in order to build a structure. Many geometric shapes are needed to create building designs. Can you find the different shapes in historical landmarks from all over the world?

Bridges are engineering marvels! It takes a civil engineer, chief engineer, structural engineer and environmental engineer to build a bridge. There are different kinds that each require a special construction process to build. Learn how different bridges such as beam, suspension and arch bridge types are designed and built, as well as the construction workers needed at specific stages.

Have you ever wondered how big cities are created? Learn how small towns start with just a few houses and farms, and then grow into large cities with many roads, buses, and skyscrapers! See how cities grow and change throughout history by the growing population of people living, working and shopping among each other.

Have you ever wondered how a penny or dime is made? Coins are made from metal in factories called mints. First, an artist draws a picture of the coin, next clay is used to make a mold made from plastic. Then a machine engraves and designs a piece of metal–these metal pieces will be used to make stamps called dies. In the United States, there are only four factories–can you guess where?

Popcorn is a yummy snack–how is popcorn cooked? From an un-popped kernel, heat boils the water that the kernel naturally has inside it. The water turns into steam after it builds up inside. Scientists used cameras to discover how corn popped! What’s inside the kernel to make an explosive change happen–turning a kernel of corn into a tasty buttery treat–popcorn?

Ada wants to win a prize one day for her inventions. She has many ideas. When it’s time to clean up her blocks, Ada has a great idea to make clean-up time easier. Ada thinks to use her father’s old socks to invent a way to stay on her two feet on an icy day! Ada’s ideas to recycle old things makes her a great inventor!

What does a light bulb require to burn bright? What happens when a light bulb burns out? Discover how filament, made of one of the heaviest metals, a mixture of two gases, a 60-watt light bulb, and electric currents make this bright idea more than just a bright light! The amazing science behind the light bulb awaits you!

Estas historias te demostrarán que los errores y los fracasos no tienen por qué significar el fin de tu sueño. De hecho, podrían ser sólo el principio. Inspírate para convertir tus errores en éxitos y encuentra el potencial que hay detrás de cada accidente.

Warum müssen Haie nicht zum Zahnarzt? Warum können Flugzeuge fliegen? Wo ist der Wind, wenn er nicht bläst? Um Fragen sind Kinder fraglos nie verlegen. Eltern um Antworten dagegen oft schon. Die sprichwörtlichen Löcher, die Kinder Mamas und Papas in den Bauch fragen – hier werden sie mit klugen und lustigen Geschichten gestopft. Was beispielsweise die Haie betrifft: Deren Zähne wachsen nach. Wieder was gelernt, oder?

Spielerisch, humorvoll, lehrreich – genau richtig für Vorschulkinder! Betreten verboten! In diesem Hörspiel erkunden Ralph und seine drei Freunde Georg, Mo und Belle einen Ort, der nicht jedem zugänglich ist: die Baustelle. Sie treffen Menschen, die dort arbeiten, und lernen eine Menge über die Maschinen, die zum Einsatz kommen. Außerdem erfahren sie, wie man vor langer Zeit ohne all die Hilfsmittel zurechtkam und welche besonderen Baumeister in der Tierwelt beeindrucken.

Mad about marvellous vehicles? Hit the road with writer and broadcaster James May to discover incredible human-powered vehicles – from bicycles and submarines to amphibious vehicles and even a helicopter.

In January 1776, George Washington had a problem: the British army controlled the city of Boston. The colonial army needed to force the British to leave. But how? Washington had a solution: ask his engineer Rufus Putnam to solve the problem. They needed to take control of the high ground, Dorchester Heights, just south of Boston. They could place cannons there to bombard the British army.

This book is about waterdrops and all the different things they create. Every lake starts with one waterdrop at a time. Keep adding waterdrops to any area and it will form a body of water of some kind. A creek, a stream, a river, a lake or even an ocean. They are all created one waterdrop at a time.

Peter Lustig hat mal wieder eine "bahnbrechende Erfindung" gemacht: Einen vollautomatischen Rauchabsauger hat er entwickelt, der jedes Feuer im Nu unschädlich machen soll. Um das Gerät zu testen, sucht Peter die Feuerwache Bärstadt auf – und stolpert dabei prompt in einen richtigen Einsatz. Hautnah erlebt er, wie Mensch und Technik bei der Feuerwehr zusammenspielen, um zu retten, zu löschen und zu schützen. Und auch Peter selbst soll dabei noch eine große Rolle spielen.