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Year 7

Exploring the World Wide Web (WWW)

I can explain how the components of the World Wide Web (WWW) work together to display web pages.

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Year 7

Exploring the World Wide Web (WWW)

I can explain how the components of the World Wide Web (WWW) work together to display web pages.

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Share activities with pupils
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These resources will be removed by end of Summer Term 2025.

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Lesson details

Key learning points

  1. The World Wide Web (WWW) relies on web browsers, web servers and web pages to deliver information and services.
  2. Explain how the internet uses packets to efficiently and reliably transmit data across networks.
  3. The HTTP protocol is used govern how data is exchanged between web browsers and servers.
  4. The HTTPS protocol provides secure communication between web browsers and servers.

Keywords

  • Web server - a networked computer that stores and provides web pages and other data on request

  • HTTP - the Hypertext Transfer Protocol is a set of rules that allows data such as web pages to be sent and received across the WWW

  • HTTPS - the Hypertext Transfer Protocol Secure is a set of rules that allows data to be encrypted and exchanged securely via the WWW

  • Packet - a segment of data, usually part of a larger message

Common misconception

Data packets from a complete message always follow the same route to their destination. They are then put back together in the order they are received.

Data packets are split and will be sent using the most efficient route at the time which often changes. Packets include data parts so they can be reassembled at the destination as long as the order of the packets is identified before being sent.


To help you plan your year 7 computing lesson on: Exploring the World Wide Web (WWW), download all teaching resources for free and adapt to suit your pupils' needs...

Help pupils visualise the process of breaking down a large amount of data into smaller packets by having them cut up and reassemble a printed image. They need to understand that the order of the packets should be determined by using a sequence number to help with reordering upon delivery.
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This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Starter quiz

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6 Questions

Q1.
What is the internet?
a single computer
Correct answer: a network of networks connecting computers worldwide
a website
a type of cable used to connect devices
Q2.
Which of the following are services provided by the internet?
Correct answer: World Wide Web (WWW)
Correct answer: email
Correct answer: online games
landline phone calls
Q3.
What is the World Wide Web (WWW)?
Correct answer: a collection of web pages accessed through a web browser
a type of computer hardware
a social media platform
a video streaming service
Q4.
Which of the following can be done when using email?
Correct answer: attach a file
Correct answer: send to multiple people at the same time
search for email addresses on web pages
store files in cloud storage
Q5.
What is the purpose of cloud storage services?
to send and receive electronic messages
to make voice and video calls over the internet
Correct answer: to store files on remote servers and access them from anywhere with an internet
to play video games with friends online
Q6.
Which of the following is an example of how VoIP can be used?
sending a text message to a friend
watching a movie online
playing an online multiplayer game
Correct answer: making a video call using an app

Exit quiz

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6 Questions

Q1.
Why is it important to use websites with "HTTPS" when you're giving them personal information like your address or password?
Correct answer: it stops hackers from stealing your information while it's being sent
it makes the website load faster
it makes sure the website looks nice and professional
it prevents your computer from getting a virus
Q2.
What is a data packet?
a set of rules for how devices communicate
a complete web page, ready to be displayed in your browser
Correct answer: a small chunk of data that is part of a larger message
an error message sent when something goes wrong on the internet
Q3.
HTTP is a protocol that allows web browsers to request a web page from what piece of network hardware?
Correct answer: web server
router
client
email server
Q4.
Your web browser communicates with a web server using the
http://
protocol. What is the main purpose of this protocol?
to display images and videos on the web page
Correct answer: to provide a set of agreed rules for communication
to encrypt the data being transmitted
to prevent hackers from accessing the network
Q5.
When data packets are sent across the internet, what happens to them?
they always travel along the same path to their destination
they are combined into one large packet before being sent
Correct answer: they travel along different routes and may arrive out of order
they are stored permanently on the web server
Q6.
Which of the following are included in a header of a data packet?
Correct answer: source address
Correct answer: total number of packets
data being transmitted
Correct answer: packet sequence number