What are those long lightbulbs called used in schools? what are they called, and are the energy efficient ?

Additional Details

5 months ago

you know, they are like 4 feet long, round...well cyclinder i believe thats the shape...4th grade science/math lol

Best Answer

a fluorescent bulb. and they are more efficient than a conventional incandescent bulb.

Asker's Rating:

straight to the point!

Other Answers (4)

• neons
• more energy efficiant yes, but much more polluting. Use LED%26#039;S
• fluorescent, might be hard to dispose of b/c they contain mercury
• fluorescent bulb....that`s silly....is it