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WorksheetsModule 4 Concept 3 Quizizz
Total questions: 7
Worksheet time: 8mins
Match the following definitions with the correct term it describes.
To use a code to convert symbols into letters (words)
Decode
To give off light (from a light source)
Emit
When a light changes direction after interacting with an object
Reflection
A ____________ is a tool that can be used to separate white light into different colors.
mirror
camera
prism
hammer
Why does the moon appear to be able to shine at night even though it produces no light?
The moon reflects the light from the Sun
The moon rotates at a very high speed
The moon is covered in a thin layer of ice
The moon has many craters
Bob and Tina have been asked to use Morse code to send a short message to one another. They will stand facing away from each other at a distance of 20 feet. Which method would work best for them to send a message with Morse Code?
(The options will be more specific on your test but will be fit in these categories.)
Use light to send a message
Use sign language to send a message
Use sound to send a message.
Organize these options into the right categories!
(On your Mastery test there will be a source to use.)
all light passes through
some light passes through
light is either reflected or absorbed
Why are patterns important for digital communication?
Patterns create a code that the sending device and receiving device can understand.
Patterns in the code help to keep the message secret.
People who receive the messages use the code pattern to create a new code.
Patterns help the digital device to send electrical signals.
Decode the message using the International Morse Code guide. (This is NOT the code that will be on your test!) The letters are separated by slashes.
FIRST WORD: - . - - / - - - / . . -
SECOND WORD: - - / . - / - / - / . / . - .
(a)
