検索キーワード： 物理学

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?

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.

From marble to granite to limestone and onyx, there are many types of stone to pick from. Learn more about different types of stone, how stone is used, and if it’s truly possible to make a window using it.

A rubber duck floats in the tub. A rock sinks to the bottom of a lake. Why do some objects float and others sink? Find out in this series about materials and their properties.

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 pencil is stiff. A rubber band is bendable. Why are some objects stiff and others bendable? Find out in this series about materials and their properties. Informative, at-level text helps listeners understand the differences between stiff and bendable objects.

A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text helps listeners understand the differences between smooth and rough objects.

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.

A nail is hard. A cotton ball is soft. Why are some objects hard and others soft? Find out in this series about materials and their properties. Informative, at-level text helps listeners understand the differences between hard and soft materials.

Did you see a flagpole today? Then you’ve seen a pulley at work! These simple machines are all around. Take a listen and discover 13 different uses for pulleys.

Did you put the cap on the toothpaste tube today? Then you’ve used a screw! These simple machines are all around. Take a listen and discover 13 different ways we use screws.

Did you use a fork today? Then you’ve used a lever! These simple machines are all around. Take a listen and discover 13 different ways we use levers.

Did you use a scissors today? Then you’ve used wedges! These simple machines are all around. Take a listen and discover 13 different ways we use wedges.

Did you ride a bike today? Then you’ve used wheels and axles! These simple machines are all around. Take a listen and discover 13 different ways we use wheels and axles.

Take a look out the window. What do you see? People, cars, bikes, birds, and more are all on the move. With this basic introduction to motion, young listeners will discover the three laws of motion, what they mean, and how they affect our lives every day.

What would our world be like without magnets? Computers, radios, phones, and TVs wouldn't work correctly. And many other modern machines wouldn't exist. With this basic introduction to magnets, young listeners will learn how magnets work and how useful they are our world today.

A cycle is a series of events that are repeated in the same order or almost the same order. Everywhere you look on earth as well as in outer space, you will find many cycles.

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.