The Light Bulb - Eureka Inventions

Define Drawbacks

• When someone draws backwards.

• When someone runs backwards.

• Disadvantage, or problems

Did light exist before Thomas Edison's light bulb?

• Yes

• No

Before Thomas Edison invented the light bulb, there was a very unreliable source of electric light that was dim and expensive.

• True

• False

What animal almost became extinct because of fuel lamps?

• Lions

• Dolphins

• Whales

• Elephants

Define Filament.

• A cord used for lamps.

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

• A type of light bulb.

What was whale blubber (fat) used for?

• Gasoline

• Light bulb filaments

• Fuel for Oil Lamps

• Wood fires

Thomas Edison started selling both....

• Light Bulbs and Lamps.

• Light Bulbs and Cable Cords.

• Light Bulbs and Electricity.

• Light Bulbs and Clocks.

When did Thomas Edison's first power station open?

• 1880

• 1900

• 1872

• 1882

What was safer after the light bulb was invented?

• Reading at night.

• Cooking at your house.

• Going outside at night.

• Playing outside.

What did people use before the light bulb was invented? Select all that apply.

• Candle light

• Flashlight

• Wood Fires

• Lightbulb