Inventors and inventions

Who invented the electric telegraph with a special code system known as Morse code?

• Orville and Wilbur Wright

• Samuel Morse

• Thomas Edison

• Alexander Graham Bell

What did Alexander Graham Bell invent in 1876?

• Telephone

• Airplane

• Glider

• Light bulb

What did Thomas Edison invent in 1879 that used electricity to create light?

• Candle

• Fire

• Telephone

• Light bulb

Who invented the first successful airplane in 1903?

• Alexander Graham Bell

• Orville and Wilbur Wright

• Thomas Edison

• Samuel Morse

What was the main light source before the invention of the light bulb?

• Electricity

• Candle

• Fire

• Telephone

What did the Wright brothers invent in 1903 that allowed people to travel the world by air?

• Telephone

• Airplane

• Aerial steam engine

• Glider

What is an inventor?

• Someone who studies history

• Someone who creates something new

• Someone who fixes things

• Someone who travels the world

What did messages sent by Morse code contain?

• Only punctuation marks

• Dots and dashes

• Only letters

• Only numbers

How did Alexander Graham Bell transmit sound across electrical lines?

• Through light signals

• Through Morse code

• Through telephone calls

• Through smoke signals

What was the benefit of using Thomas Edison's light bulb over candles?

• It was less expensive

• It was more expensive

• It was less bright

• It was less powerful