A fluorescent lamp is a special kind of light bulb that uses electricity to make a gas inside the bulb light up. The light is very bright and can be different colors, like white or blue.
It works like this:
Inside the light bulb, there is a gas called mercury vapor. When electricity flows through the gas, it makes the atoms inside vibrate really fast. These fast-moving atoms bump into other atoms that are inside a material called phosphor that lines the glass of the bulb. When the fast-moving atoms hit the phosphor, it lights up and gives off bright light.
This is different from the light bulbs we’re used to, like incandescent bulbs. Those bulbs heat up a tiny piece of wire called a filament until it gets really hot and glows, and that makes the bulb give off light. Fluorescent bulbs don’t use heat to make light.
Fluorescent bulbs are different from other light bulbs in other ways too. They use less electricity to make the same amount of light as other bulbs. They also last longer, up to 10 times longer than some other kinds of bulbs.
So, fluorescent lights use electricity to make gas inside the bulb light up, and that light is then used to light up the room. They’re special because they use less electricity and last longer than other kinds of light bulbs.