Thomas Edison

What job did Edison get that introduced him to telegraph technology?

• A machinist

• A school teacher

• A telegraph operator

• A butcher boy

What did Edison create that allowed four messages to be sent on a single line?

• The phonograph

• The button repeater

• The light bulb

• The quadruplex telegraph

Thomas Edison was famous for inventing ___________.

• the lightbulb

• the airplane

• the computer

• the automobile

True or False- Thomas Edison always worked alone.

• True

• False

What did Edison and his team remove from the lightbulb in an attempt to make it work?

• air

• wood

• glass

• cotton

Edison used carbon to coat the filaments so they would not ___________

• overheat

• cool down

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

About how many objects did Edison test before they found one that worked as the filament for the lightbulb?

• 10

• 100

• 1000

• 100,000

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What object did Edison finally find that worked as the filament for his lightbulb?

• thread

• horsehair

• human hair

• a feather

What group did not want Edison to make the electric lightbulb?

• the gas companies

• the electric companies

What was Thomas Edison's most famous invention related to electric lighting?

• The phonograph

• The quadruplex telegraph

• The light bulb

• The kinetoscope