WorksheetsUnit 3 Lesson 3: Information Transfer
Total questions: 10
Worksheet time: 20mins
Which of these methods use technology to transfer information? Select all that apply. Hint: Technology is anything that was designed by engineers to meet a want or need.
Morse code
Using flags
Creating a skytale
Infrasonic elephant sounds
Texting a friend using your phone
Suppose you want to describe African drums to a classmate. You want to tell them how they are used as a form of sending signals. Which of these would you say? Select all that apply.
The drums send signals you can hear.
The drums have a very high wavelength.
The drums have a very low wavelength.
The drums are used for religious ceremonies.
The ancient Egyptians used ________ as a means of story telling and recording their history.
Hieroglyphics
Smoke signals
Laterns
Morse code
Soldiers in ancient China used __________ to send messages a long distance.
Hieroglyphics
Smoke signals
Laterns
Morse code
The most famous use of ___________ signals we during Paul Revere's ride. The "one if by land, two If by sea" signals told he colonists the British were coming.
Hieroglyphics
Smoke signals
Latern
Morse code
Put the following in order of how a message would get from your cell phone to your friend's cell phone.
They go from the tower to the phone to another phone.
They go from the receiver's phone to the sender's phone.
They go from sender to tower to relay to tower to reciver.
They go from tower to receiver to sender to relay back to the receiver.
Which of the following describe the use of hieroglyphics and pictographs in ancient times? Select all that apply.
They were often drawn on walls.
The are a form of signal that can be heard.
They record events and cultural histories.
They were made using modern art tools.
What are some examples of coded communication?
Morse code
Talking on the phone.
Skytale
Talking face to face
Why are codes used to relay messages? Select all that apply.
They do not depend on understanding a language.
They are short
They can be encoded and decoded digitally and sent by wave.
Everyone can understand them.
What are some examples of uncoded communication?
Morse code
Talking on the phone.
Skytale
Talking face to face
