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WorksheetsUnit 3 Lesson 3
Total questions: 7
Worksheet time: 14mins
A remote uses what kind of waves?
light waves
radio waves
sound waves
What picture produces a better quality?
Low resolution
High resolution
What type of waves can travel and transmit information from space?
light
radio
sound
super sonic
_________ is a code that uses a series of dots and dashes.
binary code
morse code
smoke signal
hieroglyphics
_____ is a code made up of 1's and 0's.
binary code
morse code
smoke signal
a talking drum
The ancient Egyptians used _________ as a means of storytelling and recording their history.
morse code
binary code
hieroglyphics
How are cell phone signals transferred? Select the best answer.
They go from the tower to the phones to another phone.
They go from the receiver's phone to the sender's phone
They go from sender to tower to relay to the tower to receiver
They go from tower to reviewer to sender to relay back to the receiver.
