ComputingYears 5–9Networks

How the Internet Works

Learn How the Internet Works for Years 5–9 pupils (ages 9–14). Free practice questions, lessons and worked examples — aligned to the UK National Curriculum.

What you'll learn

  1. 1

    The internet is like a giant post office 📮 that sends messages between computers all over the world!

  2. 2

    What is the internet like?

  3. 3

    Let's see how a message travels from your computer to a friend's computer. 🖥️➡️🖥️

  4. 4

    Now you be the post office! Move the packet along the route to deliver it. 🚚

  5. 5

    What do we call the small chunks that messages are broken into?

  6. 6

    Here's a picture of packets travelling from one computer to another through routers (like sorting offices). 🖥️ ➡️ 📡 ➡️ 📡 ➡️ 🖥️

  7. 7

    What does a router do?

Practise How the Internet Works with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 9–14. Aligned to the UK National Curriculum.