3rd Grade Inventions and Communication Test

Who invented the first telegraph?

• Thomas Edison

• Samuel Morse

• Alexander Graham Bell

What does a reaper do?

• Cuts grain on farms

• Sends messages across the country

• Takes pictures

Which invention helps people see and hear news on TV and radio?

• The telephone

• The radio and television

• The light bulb

What was the fastest way to send mail across the country in 1860?

• By horse and rider (Pony Express)

• By airplane

• By computer

Who invented the electric light bulb?

• Alexander Graham Bell

• Cyrus McCormick

• Thomas Edison

What do computers and emails help people do?

• Fly in the sky

• Talk and share messages quickly

• Grow food

When was the radio invented?

• 1990

• 1896

• 2000

What does the telephone do?

• Helps plants grow

• Lets people talk to each other over long distances

• Keeps food cold

Why was the Pony Express important?

• It helped send mail faster with riders on horses

• It created the first airplane

• It made pictures more colorful

Who helped invent many parts of the light bulb?

• Lewis Latimer

• Louis Daguerre

• George Eastman