Potato Clock

Potato Clock A potato clock runs by converting chemical energy into electrical energy, which is then used to power a clock. The potatoes, in combination with zinc and copper strips (which act as electrodes), act as a battery. Most people aren't...

How Does Rain Happen ?

How does rain happen? Quick Answer Rain occurs through the process of coalescence, where a mass of water droplets gathers around cloud condensation nuclei to saturate the atmosphere and allow condensation and precipitation to take place. This process is driven by three primary lifting mechanisms that cause the upward movement of...

How do Rainbows form ?

Rainbows by Lois Polakoff This lesson was created as a part of the SMART website and is hosted by the Illinois Institute of Technology            Have you ever seen a rainbow?  Why do you think rainbows...

How Do You Explain Thunderstorms To Your Kid? Ask A Lightning Physicist

Your kid has endless questions about the endless wonders of the natural world, and while you have an arsenal of apps to help you, you don’t have an army of real-life professors at your disposal — until now. To help you form a coherent answer when your...