Light Bulbs

Long ago people used candles, torches, and lanterns to light rooms.

• True

• False

A filament is the tiny wire that glows inside the bulb.

• True

• False

Thomas Jefferson invented the light bulb.

• True

• False

Edison tried more than 1600 ways to keep the filament from burning too fast.

• True

• False

Edison tried using hair from a friend's nose in his light bulb filament.

• True

• False

Most electricity is made by burning coal, which pollutes the air.

• True

• False

Inventors are working on ways to make electricity by using the moon.

• True

• False

Wind and solar energy makes electricity that is better for the environment than coal.

• True

• False

You should always turn off the lights when you don't need them.

• True

• False

Light bulbs are powered by water.

• True

• False