The Internet
Time 1.7 hrs

Difficulty Beginner
Prerequisites Binary
Departments Science
Authors Sandra Kuipers
Groupings Individual
Minimum Year Group None


The internet is an incredibly complex system, and an increasingly central part of our lives. What is it, really? How does it work?


This work is shared under the following license: Creative Commons BY-SA-NC


Learner Outcomes
Students will:
  • ...
Competency Focus
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Interdisciplinary Connections
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What was successful? What needs changing? Alternative Assessments and Lesson Ideas? What other Differentiation Ideas/Plans could be used?
  • ...
Any CC attribution, thanks, credit, etc.

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10 mins
The Internet
What is it, really?
  • We use the internet everyday. Have you ever wondered what it is?

10 mins
How does it work?
  • We saw that the internet started as a bunch of computers connected together to make a network.
  • However, the internet we have today is a LOT more complex than that.
  • How does it work? How does information get from one place to another?

5 mins
The internet is BIG
Just how big?

5 mins
More Internet
  • Its hard to wrap your brain around just how big the internet is.
  • We know it has millions and millions of websites.
  • But, how much data does it contain?

  • How much new data are we adding to the internet every minute?

10 mins
How does data move?
  • Okay, we get it. The internet is big. REALLY big.
  • And it's made up of wires, fiber optic, and radio waves.
  • But, how does a computer know which wires to use?
  • How does data go from one place to another without getting lost in all the other data on the internet?
  • This is where IP addresses and DNS servers come in:

60 mins
Internet Terminology
  • Open up your slideshow from the beginning of this course.
  • Add some new slides for each of the following concepts:
    • Bandwidth
    • Packet
    • IP Address
    • Internet Service Provider (ISP)
    • Domain Name Server (DNS)
  • For each slide, add:
    • A short definition, in your own words.
    • An image to illustrate this concept.
    • At least one link to a website or video that helps explain this concept.
  • The images and videos in the unit here will get you started, but you'll need to do some more research of your own to complete these slides.
  • Once you have finished, submit the link to your slideshow as evidence of learning in this unit.
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