The Light Bulb - Eureka Inventions

Front

What is a filament?

Back

The tiny wire that runs through the center of a light bulb.

Front

What was whale blubber used for?

Back

Fuel for Oil Lamps.

Front

Which animal almost became extinct because of fuel lamps?

Back

Whales.

Front

Was electric light before Thomas Edison reliable?

Back

No, it was very unreliable, dim, and expensive.

Front

What became safer after the light bulb was invented?

Back

Going outside at night.

Front

Who invented the light bulb?

Back

Thomas Edison.

Front

What is the purpose of a light bulb?

Back

To provide light.

Front

What material was commonly used for early light bulb filaments?

Back

Carbonized bamboo or whale blubber.

Front

What is the main advantage of electric light over oil lamps?

Back

Electric light is brighter and safer.

Front

What did people use before electric light bulbs?

Back

Oil lamps and candles.