検索キーワード： 物事の仕組み

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.

Emerging listeners can race through city streets with a fire truck, plant crops with a tractor, and travel the world with an airplane. This volume includes An Airplane's Day, A Backhoe's Day, A Bulldozer's Day, A Dump Truck's Day, A Fire Truck's Day, and A Tractor's Day

What happens to garbage after it is picked up? Where does water go? Discover what happens to garbage, recycling, water, and mail after it leaves the home.

Eat up! Discover how different foods get from farms and gardens to our tables in this fun series. This volume includes From Seed to Jam, From Tree to Paper, From Vine to Pizza, and From Wheat to Bread.

Let the mission begin with this far-out series. This volume includes Earth Satellites, The Hubble Space Telescope, The International Space Station, and Lunar Probes.

Vroom! Engines roar and wheels turn in this fun series. Exciting facts about different machines engage beginning listeners while simple, predictable text that aid them on the first step of their literacy journey.

Eat up! Discover how different foods get from farms and gardens to our tables in this fun series. This volume includes From Cow to Cheese, From Flower to Honey, From Garden to Pickle, and From Sand to Glass.

From skyscrapers up above to tunnels down below, the structures people build are amazing. How are they built? And why? This volume includes Skyscrapers, Stadiums, and Tunnels.

From skyscrapers up above to tunnels down below, the structures people build are amazing. How are they built? And why? This volume includes Bridges, Dams, and Roller Coasters.

Our world runs on energy! But traditional fossil fuels are doing great damage to the environment, and they will eventually run out. How might solar, water, wind and geothermal power come to our rescue? Listeners can discover how different the world could look in the future with energy sources that are clean and renewable.

Já pensou como seria entrar em um jogo de videogame? Nesse episódio, o detetive-explorador Nico é teletransportado para dentro de um jogo em desenvolvimento, onde conhece Jujuba, a personagem principal do jogo. Juntos, eles desvendam os segredos e desafios da criação de um videogame, enfrentando obstáculos surpreendentes! Prepare-se para uma jornada irada neste episódio de Clube dos Perguntadores, uma série de ciências e curiosidades com humor, criada pela NarraKids e especialmente adaptada para crianças!

A réplica da tocha olímpica sumiu! E agora?! No episódio de hoje de Clube dos Perguntadores, o detetive-explorador Nico Vera vai ter que investigar esse roubo! Junto com seus novos amigos, Hermes e Thaleia, Nico leva o público a mergulhar na história dos jogos olímpicos e a tentar desvendar esse mistério. Prepare-se para uma jornada irada neste episódio de Clube dos Perguntadores, uma série de ciências e curiosidades com humor, criada pela NarraKids e especialmente adaptada para crianças!