Eureka! Radio

What was the main way that people communicated with those outside their communities before the telegraph and radio were invented?

• traveling to visit people across the world

• they did not communicate with others

• sending letters

• smoke signals

Tags

CCSS.RI.3.7

CCSS.RI.4.7

CCSS.RI.5.7

CCSS.RL.4.7

CCSS.RL.5.7

What is the purpose of the telegraph?

• to send coded messages over a wire

• to send sound directly to receivers in people's homes

• to transmit electric without wires

• to broadcast news, music, and other entertainment

Tags

CCSS.RI.3.7

CCSS.RI.4.7

CCSS.RL.3.7

CCSS.RL.4.7

CCSS.RL.5.7

Why did the telegraph companies only put up wires in areas with large populations?

• it was too expensive to put up wires everywhere

• the telegraph only worked in cities

• the telegraph could not transmit messages long distances

• the telegraph was only used for government communications

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

What did Guglielmo Marconi do after the Italian government did not support his wireless invention?

• he gave up on his invention

• he continued to work on it in his attic

• he moved to England to find support

• he started a company to sell his invention

Tags

CCSS.RI.2.5

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

About how long did it take for Marconi to go from building his first machine in the attic to sending a wireless message across the Atlantic Ocean?

• 1 year

• 5 years

• 8 years

• 20 years

What is the main purpose of the first commercial radio stations that began broadcasting in 1920?

• to send telegraph messages wirelessly

• to broadcast news, music, and entertainment

• to control satellites in outer space

• to transmit electricity without wires

How did the radio change how families spent their evenings?

• Families started traveling more

• families stopped communicating with each other

• families gathered to listen to the radio together

• families started watching TV together

Tags

CCSS.RI.4.9

CCSS.RI.5.9

CCSS.RI.6.2

CCSS.RL.4.2

CCSS.RL.5.2

What other technologies besides radio use the electromagnetic waves that Marconi first sent across his attic?

• only cell phones

• only radar

• only satellites in outer space

• Cell phones, GPS, radar, TV, and satellites in outer space

What was the main reason that the telegraph was not accessible to m any Americans who lived far from big cities?

• it was too expensive to install everywhere

• it could not transmit messages long distances

• it wa only for government communication

• it required a lot of maintenance

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

how did the invention of the radio create national celebrities?

• radio performers became superstars

• ladies were in 12 million homes by 1930

• radios allowed families to gather together

• radios controlled satellites in space

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.2

CCSS.RL.5.2