Team 1
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Team 2
0
Teams
Name
Score
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seesaw
Swap points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 15 points!
Oops!
15
×
When a computer screen shows an image, the image is made of many:
waves
wires
pixels
signals
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Check
15
×
What does "signal" mean?
something that only makes noise
a type of food
a picture of a person
something that carries information
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Check
15
×
A lighthouse uses a bright light that flashes in a pattern. Why?
to follow the weather
to measure the waves
to transfer information to ships
to cook food for sailors
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Check
15
×
Why do we need both a sender and a receiver in information transfer?
Waves cannot travel without both
Information must be sent and understood
The sender makes food
The receiver cleans the signal
Oops!
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Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
gift
Win 20 points!
Okay!
×
baam
Lose 10 points!
Oops!
20
×
Traffic signals use red light for stop and green light for go. Why is this an effective system?
the colors follow a clear meaning all over the world
red and green are common colors
the lights flash very quickly
the colors are bright enough to see from far away
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Check
15
×
A TV remote uses light that we canât see to send information. What type of wave is this?
sound wave
infrared light
X-ray
gamma ray
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15
×
What does a network do?
makes pictures
connects devices so they can share information
cleans up your WiFi signal
slows down the internet
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Okay!
Check
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banana
Go to last place!
Oops!
×
rocket
Go to first place!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
baam
Lose 15 points!
Oops!
15
×
When a person uses Morse code, they are sending:
a picture
a pattern of dots and dashes
light energy
heat
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Check
15
×
Which is an example of sound being used to transfer information?
a photo on a phone
shadows changing during the day
A bird singing to warn others of danger
rain falling on a roof
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Check
Okay!
Check
15
×
Which digital image would be clearer and smoother?
few large pixels
many small pixels
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15
×
Which of the following is an example of information being transferred with light?
A book on a table
A drum beat
A blinking bike light
A person running
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Check
15
×
When a message is sent through sound, it travels as:
light waves
binary code
colors
vibrations
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Okay!
Check
15
×
A digital picture is made from many tiny squares. What are those squares called?
Signals
Pixels
Codes
Pictures
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Check
Okay!
Check
×
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