Children’s / Teenage general interest: Inventors, inventions and experiments

You've probably noticed that when water gets really cold, it freezes.

Robots help us understand our weather and climate.

Forces and motion are at work all around you-when you kick a ball, ride a bike, or drop a book.

Without inventors, we wouldn't have cars, airplanes, or light bulbs.

Robot competitions are a fun way for people who build robots to test their designs.

With X-rays, doctors detect problems human eyes can't see.

Animals have mastered motion.

What happens when a young elephant steps on a buried land mine?

It's something many people use every day, but do you know who invented the television?

Help young explorers discover the little critters of the forest.

Roots help keep plants alive.

Make a giant fountain from a soda pop bottle, write messages in invisible ink, and blow monster bubbles!

Law enforcement robots are designed to complete tasks that may be too difficult or dangerous for human law enforcement officers.

Sunlight helps a plant make its own food using photosynthesis.

Humanoid robots can help us learn.

You can learn a lot about science by observing the natural world.

You probably know that electricity powers your computer and other electronics.

Robots help people in many situations.

With Earth's population growing and water levels rising, city engineers will have to fit more people on less land.

Bicycles were only invented about two hundred years ago-and the first ones didn't have tires or brakes!

Sunlight, air, water, and minerals help keep plants alive.

You've probably played with magnets or seen them on a refrigerator door.

A plant can form fruit and seeds when it is pollinated.

You may have heard the story of how Guglielmo Marconi invented the radio, but what if it isn't entirely true?

Nature-lovers can craft a garden mobile, a bark owl, and other 3D art using natural materials found outside!

Around the world, busy roads and highways block animal paths.

Make a robot from a toothbrush, send Morse code messages by telegraph, and create your own lightning!

Born in South Africa in 1971, young Elon Musk loved inventions.

Step away from the screen and learn science in the real world.

¿Qué son los imanes?

With their unique maneuverability, drones and flying robots are used for all kinds of work.

Technology has made playtime a lot of fun.

Nature-lovers can craft all sorts of wild art using natural materials found outside, including pine cones, bark, grass, leaves, and more!

Alexander Graham Bell invented the telephone, right?

Robots work in homes every day.

Video games evolved over decades from simple consoles to cutting-edge entertainment in homes and arcades.

Sometimes, the best hiding place is right in plain sight.

The great outdoors is calling!

Cell phones allowed people to connect on the go, and smartphones have transformed the way we share information.

For decades, the blasts and howls of the electric guitar have been some of the defining sounds of popular music.

What can you do with recycled materials found in your home or at school in 30 minutes or less?

Step-by-step instructions and photos guide readers through projects that introduce them to the science of food.

As a kid, Lonnie Johnson liked to invent things.

Printing words in books originated in China with the invention of movable type.

A plant's environment helps it grow.

Technology has improved our use of movement to do work.

Stuck inside on a rainy day?

Plants have roots, stems, leaves, and sometimes flowers.

Can you believe that the paint used on cars inspired the invention of nail polish in the 1920s?

Did you know that you can make plastic, snow, and even a lava lamp in less than 30 minutes?