Communication and Data
Waves Can Transfer Data
Morse Code
The pony express
Sos
300

Which is a modern form of communication ?

Cell Phone 

300

What is a morse code ? 

dots and lines 

300

Why do vowels have the shortest codes in Morse Code?

They are used most often. 

300

Why was the mail company called the pony express ?

the mail was delivered by a horseback rider. 

300
When was the first telegraph message sent ?

1844

400

What is the worldwide database called ?

The Internet 

400

What is one property of waves ?

They can travel long distances 

400

What type of wave does a telegraph machine make ? 

Radio 

400

When was the telegraph invented ?

while the pony express was running 

400

What does S-O-S stand for. 

it has no meaning 
500

Who can access worldwide data ?

Anyone 

500

What is a modern technology similar to morse code ? 

Texting 

500

Why is morse code not used as much today ?

There are faster ways to communicate 

500

How long did it take for telegraph messages to be sent across the country ? 

seconds 

500

What is the code for S-O-S ?

dit-dit-dit  dah-dah-dah  dit-dit-dit