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Year 7

Lesson 4 The Internet

Curriculum > KS3 > Unit > Lesson

This lesson explores the internet and its uses. Learners will watch a video from one of the “fathers of the internet”, Vinton Gray Cerf, who explains the internet and its history. Learners will gain an appreciation of the vastness of the internet. It is truly global, with 99% of data transmitted through oceanic cables spanning all continents, the longest of which is 39,000 kilometres. Learners will watch a video called A Packet’s Tale which will explain how messages can be successfully sent from one device to another across the planet in under a second using packets and IP addresses. Learners will develop an understanding of packet structure and packet switching. The term ‘protocol’ will be revisited, and two particular protocols, TCP and IP, will be explained. The lesson will finish with a short multiple choice quiz to test learners’ understanding of the lesson material.

Learning objectives

  • Define what the internet is
  • Explain how data travels between computers across the internet
  • Describe key words such as ‘protocols’, ‘packets’, and ‘addressing’

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