Information and Communication
Use the School AI button to help you answer the five questions. Complete your work on this worksheet.
Information and Communication
Topic 2 — Speakers & Output Audio
“Explain how a speaker turns electrical signals into sound we can hear.”
8 Questions:
“What parts make up a speaker?”
“What does the speaker cone do?”
“How does electricity make the cone move?”
“Why does vibrating air create sound?”
“What controls the loudness of a speaker?”
“What controls the pitch of the sound?”
“How does an amplifier help a speaker?”
“What are common problems speakers can have?”
Topic 1 — Microphones & Sound
“Explain how a microphone works and how it turns sound into digital information.”
8 Questions:
“How does a microphone sense sound waves?”
“What part inside a microphone vibrates?”
“How do vibrations turn into electrical signals?”
“How does a microphone amplify weak signals?”
“What is the difference between analog sound and digital sound?”
“How does a computer change microphone signals into data?”
“Why do different microphones sound different?”
“Where do we use microphones in everyday life?”
Topic 3 — How the Internet Sends Information
“Describe how information travels across the Internet from one device to another.”
8 Questions:
“What is a data packet?”
“How does a computer break information into packets?”
“What do routers do with data?”
“What is a network path?”
“How does information travel through cables or wireless signals?”
“What decides the fastest route for data to travel?”
“What happens if a packet gets lost?”
“How does my device reassemble all the packets into one message?”
Topic 6 — How Wi-Fi Sends Information
“Explain how Wi-Fi sends information through the air without any wires.”
8 Questions:
“What type of waves does Wi-Fi use?”
“How does a router send out Wi-Fi signals?”
“How does my device connect to a router?”
“How does Wi-Fi carry information inside radio waves?”
“What causes weak Wi-Fi signals?”
“Why does distance affect Wi-Fi quality?”
“How does a router keep Wi-Fi secure?”
“How do routers handle many devices at the same time?”
Topic 7 — How Cameras Capture Digital Images
“Describe how a digital camera captures light and turns it into a picture.”
8 Questions:
“How does a camera sensor detect light?”
“What is a pixel, and what does it record?”
“How does a lens focus light onto the sensor?”
“How does a camera change light into electrical signals?”
“How does a camera process those signals into an image?”
“What affects image quality?”
“How does color information get stored?”
“Why do some cameras work better in low light?”
Topic 4 — How a Phone Call Works
“Explain how a cell phone call works from speaking into the phone to hearing the voice on the other end.”
8 Questions:
“How does a phone pick up my voice?”
“How does the phone change my voice into data?”
“What does a cell tower do?”
“How do cell towers pass signals to each other?”
“How does my voice reach the other phone?”
“How does the other phone turn data back into sound?”
“What affects call quality?”
“Why do calls sometimes drop?”
Topic 5 — Encoding & Decoding Information
“Describe how encoding and decoding allow information to be shared and understood.”
8 Questions:
“What does encoding mean in technology?”
“Why do we need to encode information?”
“How do QR codes store encoded data?”
“What is binary encoding?”
“How does decoding turn data back into useful information?”
“What happens if information is decoded incorrectly?”
“What is an example of encoding in everyday life?”
“What is an example of decoding in everyday life?”
Topic 8 — How Artificial Intelligence Work
“Explain how Artificial Intelligence collects information, learns from data, and makes decisions.
8 Questions:
“What is AI, and how is it different from a regular computer program?”
“How does AI collect data or information to learn from?”
“What does it mean for an AI to be ‘trained’?”
“How does AI recognize patterns in data?”
“What are examples of AI making predictions?”
“What limitations or mistakes can AI make?”
“How do humans teach or correct an AI when it is wrong?”
“Where do we use AI in everyday life?”
