Grade 4 Science — Term 2, Week 4
5 day-plan(s) · WeLearn JA SCI T2 G4
Day 1: Wheels and Axles
Grade 4 Science · Term 2, Week 4 · 60 minutes
| Objectives | Investigate how wheels and axles help movement. |
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| Materials | Toy cars, wheel-and-axle models |
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| Key vocabulary | wheel, axle, roll, turn, move |
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| Engage (starter) | "Why do wheels make it easier to move loads?" |
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| Develop (main) | Interactive: compare dragging a load and rolling it on wheels; explore the wheel-and-axle; tap-to-reveal how they help. |
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| Plenary (close) | How do wheels make moving easier? |
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| Assessment | Investigates wheels and axles. |
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| Teacher notes | Wheels reduce friction with the ground. |
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Day 2: Gears
Grade 4 Science · Term 2, Week 4 · 60 minutes
| Objectives | Explore how gears work together. |
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| Materials | Gear set or pictures |
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| Key vocabulary | gear, turn, teeth, speed, direction |
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| Engage (starter) | "What happens when one gear turns another?" |
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| Develop (main) | Interactive: turn interlocking gears; observe direction and speed changes; tap-to-reveal how gears work. |
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| Plenary (close) | What happens when gears mesh? |
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| Assessment | Explores gears. |
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| Teacher notes | Gears can change speed and direction. |
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Day 3: Screws and Wedges
Grade 4 Science · Term 2, Week 4 · 60 minutes
| Objectives | Recognise screws and wedges as simple machines. |
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| Materials | Screw, wedge/knife picture, jar lid |
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| Key vocabulary | screw, wedge, split, hold, spiral |
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| Engage (starter) | "How does a wedge help split or cut?" |
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| Develop (main) | Interactive: examine screws holding and wedges splitting; link a screw to a wrapped ramp; tap-to-reveal these machines. |
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| Plenary (close) | Name a job a wedge does. |
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| Assessment | Recognises screws and wedges. |
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| Teacher notes | A screw is a ramp wrapped around a rod. |
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Day 4: Machines in Everyday Life
Grade 4 Science · Term 2, Week 4 · 60 minutes
| Objectives | Identify simple machines in everyday objects. |
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| Materials | Everyday object cards |
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| Key vocabulary | machine, everyday, combine, tool |
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| Engage (starter) | "Which simple machines hide in everyday tools?" |
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| Develop (main) | Interactive: spot simple machines in scissors, ramps, and bottle openers; note some tools combine machines; tap-to-reveal. |
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| Plenary (close) | Name a tool and the machine inside it. |
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| Assessment | Identifies machines in life. |
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| Teacher notes | Some tools combine several machines. |
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Day 5: Review: Simple Machines
Grade 4 Science · Term 2, Week 4 · 60 minutes
| Objectives | Consolidate all the simple machines. |
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| Materials | Machine kits, review stations |
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| Key vocabulary | review, simple machine |
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| Engage (starter) | "Simple machines challenge!" |
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| Develop (main) | Interactive: match machines to jobs and find them in everyday tools at review stations. |
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| Plenary (close) | Name three simple machines. |
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| Assessment | Station accuracy. |
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| Teacher notes | Celebrate real-world connections. |
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