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

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.

As their populations grow, future cities will need to house, feed, and transport millions more people.

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.

Solids, liquids, and gases are the three states of matter.

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.

People, animals, machines, and wind all make sounds.

You know that magnets hold pictures on a refrigerator.

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.

Electricity powers lights, computers, and television sets.

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?

Sneakers grew out of efforts to make more durable, more comfortable shoes-and became a major link between sports and fashion.

Make a rocket from a plastic bottle, a hovercraft from a balloon, and a drag racer from cardboard!

From cyber worlds to nano-technology, discover an array of always-changing technologies.

From cyber worlds to nano-technology, discover an array of always-changing technologies.

Do you know who invented the light bulb?

The sun, lightbulbs, and flickering fires all bring light to our world.

Got a problem that needs fixing?

Much of what you experience-from the things you see to the sounds you hear-travels to you in waves.

You've probably heard lots of things about energy.

Did you know that a scientist discovered X-rays by accident?

Tin cans were first produced in London in 1813.