Technologies · Year 3
40 interactive lessons to explore
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📚 Term 1 · Lessons 1–10
›Lesson 1
Digital Systems: Hardware & Software
Explore the parts of a digital system and tell hardware apart from software.
⏱ 16 min · 12 questions
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Lesson 2
Showing Data with Symbols
Learn how computers and people use symbols and codes to stand for information.
⏱ 16 min · 8 questions
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Lesson 3
Branching: Making Decisions in Algorithms
Use 'if' questions to make algorithms choose between two paths.
⏱ 16 min · 8 questions
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Lesson 4
Designing for Sustainability
Learn how to reduce, reuse, and recycle when we design and use things.
⏱ 16 min · 7 questions
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Lesson 5
How the Internet Connects Us
Discover what a network is and how the internet links computers together.
⏱ 16 min · 7 questions
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Lesson 6
Collecting and Organising Data
Plan a survey, collect data, and organise it into a table.
⏱ 16 min · 6 questions
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Lesson 7
Designing for Different People
Learn how good designs think about who will use them and their needs.
⏱ 16 min · 7 questions
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Lesson 8
Repeating Steps with Loops
Use loops to repeat steps in an algorithm without writing them again and again.
⏱ 16 min · 7 questions
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Lesson 9
Tools and Workshop Safety
Choose the right tool for the job and use it safely.
⏱ 16 min · 7 questions
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Lesson 10
Making Strong Passwords
Learn what makes a password strong and how to keep it secret.
⏱ 16 min · 7 questions
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📚 Term 2 · Lessons 11–20
›Lesson 11
Wheels, Axles and Movement
Explore how wheels and axles help machines move and carry loads.
⏱ 15 min · 7 questions
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Lesson 12
From Farm to Plate
Trace how food travels from where it is grown to your plate.
⏱ 15 min · 7 questions
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Lesson 13
Peripherals and What They Do
Sort the extra devices we connect to computers by whether they are input, output or storage.
⏱ 15 min · 7 questions
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Lesson 14
Pictures Made of Pixels
Discover how computers build pictures out of tiny coloured squares called pixels.
⏱ 15 min · 7 questions
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Lesson 15
Drawing Algorithms as Flowcharts
Show step-by-step instructions as a flowchart with boxes and arrows.
⏱ 16 min · 6 questions
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Lesson 16
Levers and Simple Machines
See how a lever helps us lift and move things with less effort.
⏱ 16 min · 6 questions
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Lesson 17
Organising Data in Tables
Use rows and columns to organise data so it is easy to read.
⏱ 16 min · 6 questions
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Lesson 18
Designing Packaging
Think about why products have packaging and how to design it well.
⏱ 16 min · 6 questions
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Lesson 19
Input, Process, Output
See how digital systems take input, process it, and give an output.
⏱ 16 min · 6 questions
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Lesson 20
Making a First Model
Build a quick model to test a design idea before making the real thing.
⏱ 16 min · 6 questions
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📚 Term 3 · Lessons 21–30
›Lesson 21
Formatting Digital Text
Make digital text clear using headings, bold and lists.
⏱ 16 min · 6 questions
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Lesson 22
Measuring and Marking
Measure and mark materials carefully before cutting or joining.
⏱ 16 min · 6 questions
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Lesson 23
Copy, Paste and Undo
Save time on a computer with copy, paste and undo. Learn handy editing commands.
⏱ 15 min · 6 questions
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Lesson 24
Designing with Wind Power
Wind can push sails and spin turbines. Design something that moves using the wind.
⏱ 15 min · 6 questions
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Lesson 25
Usernames and Passwords
A username says who you are; a password proves it's really you. Learn the difference.
⏱ 15 min · 5 questions
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Lesson 26
Choosing Materials by Testing
Which material is strongest? Run a fair test to choose the best one for a job.
⏱ 15 min · 6 questions
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Lesson 27
What Makes a Design Good?
Learn to judge a design against criteria — the things it must do to succeed.
⏱ 15 min · 7 questions
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Lesson 28
Collecting Data with Surveys
Learn how to collect data by asking questions, then organise the answers.
⏱ 15 min · 6 questions
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Lesson 29
Where Clothes Come From
Trace fibres from plants and animals to the clothes we wear, in a food and fibre lesson.
⏱ 15 min · 6 questions
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Lesson 30
Saving and Naming Files
Learn why we save files, give them clear names, and put them in folders to find later.
⏱ 12 min · 6 questions
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📚 Term 4 · Lessons 31–40
›Lesson 31
Designing a Garden to Grow Food
Plan a small garden system that gives plants what they need to grow food.
⏱ 16 min · 7 questions
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Lesson 32
Organising Files into Folders
Learn how folders keep digital files tidy so you can find them fast.
⏱ 16 min · 7 questions
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Lesson 33
Systems That Move Water
Explore how pipes, taps and channels are designed to move water where we need it.
⏱ 16 min · 7 questions
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Lesson 34
Secret Codes and Messages
Discover how messages can be turned into codes and back again.
⏱ 16 min · 7 questions
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Lesson 35
Designing With Digital Drawing Tools
Learn how computers help us draw and change designs quickly using digital tools.
⏱ 15 min · 6 questions
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Lesson 36
Magnets in Everyday Products
Explore how magnets attract and repel, and how designers use them in useful products.
⏱ 15 min · 6 questions
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Lesson 37
Keeping a Count
Use a counter that goes up by one each time something happens, like a score in a game.
⏱ 15 min · 6 questions
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Lesson 38
Designing for Shade and Cooling
Find out how shade, light colours and airflow help keep things and people cool.
⏱ 15 min · 6 questions
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Lesson 39
Debugging: Find and Fix Mistakes
Learn how to spot a mistake in a set of steps and fix it so the steps work.
⏱ 15 min · 7 questions
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Lesson 40
Designing to Save Energy
Explore how design choices at home can save energy and help the environment.
⏱ 15 min · 7 questions