Tap play and I''ll read this lesson to you like a story.
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⚙️ you are up a . You into a and — but your more . Or a being up a using a and . Both of these are ! we are to out how and , and then about how YOU could use one in your own .
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🌍 : have been used by for over 2,000 . The a called the using to the of !
Engineers have used gears for more than 2,000 years.
A is a with cut around its . When two are to each other, their — they like two each other. When one , its the of the , that one too. This is how , called , is from one of a to another.
Here is the . If a a , the . If a a , the but with more . of it like a : the more to but a . on they need or . 🏎️
Large drives small = speed up! The interlocking teeth pass the motion along.
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💡 tip: = up. = but . You can this as LSS — to !
Now let us at . A is a with a around its . A or in that . When you one end of the , the and the other end . A the of — of , you can up. Add more and you also the to . 🏗️
Feature
Gears ⚙️
Pulleys 🔘
How they connect
Interlocking teeth
Rope or belt in a groove
What they change
Speed and direction of turning
Direction and amount of force needed
Real-life example
Bicycle gears, clock mechanism
Flagpole, crane, lift (elevator)
Made from
Metal or plastic wheels
Wheel plus rope or belt
Gears vs Pulleys — key differences at a glance
🔗 Match each mechanism word to its correct meaning. Tap a word on the left, then tap its meaning on the right.
Gear
Pulley
Interlock
Mechanism
Now let us about your own . with — that with and how each . Your should which you are using, which you will need, and what your will DO. Ask : do I need or ? That you or the of . 📐
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⚠️ : When using , or to your , , cut from your , and ask an before using . , cut !
🗂️ Sort these steps into the correct design process stage. Drag each step into the right box.
Draw an annotated sketch of your model
Choose which mechanism — gears or pulleys
Cut card and attach your gear wheels
Thread the rope through the pulley groove
Test whether your model moves as planned
List what you would change to improve it
After you your — a of your — you it. This it your (the of things it do) and : Does it ? Is it ? What would make it ? their . Even the in the as ! 🚀
🧩 Put the design-and-make process in the correct order from start to finish. Drag the steps to arrange them.
Test and evaluate against design criteria
Build your prototype
Select materials and tools
Draw annotated sketches of your design
Research how gears or pulleys work
Identify what your model needs to do (design criteria)
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🌟 Did you know? The a are so that they to just a few per day — all any , just the of a !
Quiz time! 📝
Gears, Pulleys and Mechanisms — Check Your Understanding ⚙️
Question 1 of 5
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