Did you know that you could easily make a battery at home? You can do that by using lemons. Yes, lemons! Lemons are sour and carry a lot of citric acid. Of course, they cannot power your refrigerator or a toy car. But they contain enough energy to power a small LED light and make …
The idea of creating something beautiful and unique out of ordinary materials is a lot like magic. One great example of this is growing your own crystals. And you can grow them into a rainbow. All you need to do it is a little bit of time, patience, and a few basic supplies. This crystal …
Electrical devices such as refrigerator, television and vacuum cleaners require electricity to operate. Do you know how electricity is created? And how do batteries operate a motor? Electricity is created using magnetic field. If you have a strong magnet and a battery, you can make a simple homemade motor. Try this very cool experiment. And …
In this experiment, we first see an acid-base reaction. Eggshells contain calcium carbonate which is a base while vinegar contains acetic acid. When you submerge an egg in vinegar, an acid-base reaction causes the calcium carbonate to break down into their calcium and carbonate parts. The calcium ions (as in calcium acetate) stay dissolved in …
Playing with an air canon is always fun. You can use it to propel little tissue balls with it You can also have a race to see who can make the balls fly the farthest. You can also make a smoke ring with it. Air canon moves the air. It’s normally hard to see how …
