You know how to light a candle. It’s easy, right? You light the lighter, place it to the wick, and voila! You’ve lit the candle…the conventional way. But, what if you wanted to impress your friends at ...
You know water boils at 100º C (212º F). But did you know that you can make water dance too? You can! It’s called the Leidenfrost Effect. By adding a water droplet to a pan of boiling water, you can s ...
Chemistry produces some of the most amazing compounds. You’ve probably used vinegar and baking soda to make a volcano. You’ve definitely made your own foam with soap and water.Foam is usually created ...
Soil and energy don't go together, right? One seems natural and a bit on the messy side while the other is a mysterious force that powers everything from our toasters to our cars. What two things coul ...
Every winter, you get zapped; it never fails! Static electricity—an electric charge caused by things touching together—is one of those strange forces that you can't see, but you can feel (like gravity ...
Your eyes are amazing organs. Look in the mirror, and you’ll see three colors in your eyes: the white part (sclera), the colored part (iris), and a small black dot (the pupil).The iris helps control t ...
In many parts of the world, winter temperatures drop low enough to make rivers and lakes freeze. And in those same parts of the world, where even those waters freeze, the ocean waters will not. Think ...
There’s a sound that is supposed to annoy teenagers and keep them from loitering in front of shops and stores. It’s called the Mosquito, and it’s supposed to be undetectable by adults. Take some volun ...
How many times have you peeked out the window on a rainy day and seen a rainbow (or two)? Rainbows usually only appear after the rain because the sun's rays bounce off the drops remaining in the atmos ...
Water molecules are busy dancing around all the time. But the dance really gets interesting when you add heat to them.The hotter molecules get, the faster they move, turning from water to steam. And w ...