What does the energy and systems module cover in Edexcel GCSE Design and Technology?

It covers Topic 1.3 to 1.7 of the core content: the sources, generation and storage of energy; mechanical devices (the four types of motion, levers, linkages, cams, followers, cranks and sliders); gears and pulleys with their ratio calculations; electronic systems (sensors, control devices and outputs); and programmable components that embed functionality using flowcharts, inputs and outputs.

What are the four types of motion in Edexcel GCSE Design and Technology?

The four types of motion are linear (straight line in one direction), reciprocating (straight line back and forth), rotary (turning in a circle) and oscillating (swinging back and forth along a curve or arc). Mechanisms change one type of motion into another, or change the size or direction of a force.

How do you calculate a gear ratio and output speed?

The gear ratio is the number of teeth on the driven gear divided by the number on the driver gear. The output speed is the input speed divided by the gear ratio, so a larger driven gear turns more slowly but with more force. For pulleys, the velocity ratio uses the driven and driver pulley diameters instead of teeth.

What is the systems approach in Edexcel GCSE Design and Technology?

The systems approach models a product as three blocks: input (a sensor such as an LDR or thermistor that detects a change), process (a control device or microcontroller that makes a decision) and output (a device such as a buzzer or LED that produces an action). It is drawn as a block diagram with arrows showing the signal flow.

How is the energy and systems module examined?

It is assessed in Section A (core content), which carries 40 marks including 10 marks of guaranteed calculations. The gears, pulleys and lever calculations (mechanical advantage, velocity ratio, gear ratio, RPM) are high-value, so they are almost always tested, alongside systems diagrams and short questions on energy sources and mechanisms.

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Edexcel GCSE Design and Technology 1.3 to 1.7 Energy, mechanical devices and systems: a complete overview

A deep-dive Edexcel GCSE Design and Technology guide to the energy and systems module (1.3 to 1.7). Covers energy generation and storage, mechanical devices, gears and pulleys, electronic systems and programmable components, with the Section A calculation and systems patterns Edexcel repeats.

Generated by Claude Opus 4.815 min read1.3-1.7Updated 2026-06-02

Reviewed by: AI editorial process; not yet individually human-reviewed

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What this module covers
Recurring themes
How to study energy and systems
The module, dot point by dot point
For the official specification

Pearson Edexcel GCSE Design and Technology (specification 1DT0) is assessed by one written paper (50%) and a non-examined assessment (50%). The energy and systems module (key ideas 1.3 to 1.7 of the core content) is the most calculation-heavy part of Section A, which guarantees 10 marks of calculations. This guide maps the module and how to revise each part.

What this module covers

The module spans energy, mechanisms and electronics. The parts are:

1.3 Energy generation and storage: Finite fossil fuels and biofuels, renewable sources (tidal, wind, solar, hydroelectric), storing energy in batteries and cells, and choosing a source by portability, environmental impact, power output, connections and cost.
1.5 Mechanical devices: The four types of motion; the three classes of lever with mechanical advantage and velocity ratio; linkages, cams and followers, and cranks and sliders; and gears and pulleys with their ratio and RPM calculations.
1.6 and 1.7 Electronic and programmable systems: Powering systems; the input (sensors), process (control devices) and output blocks of the systems approach; and programmable components that use flowcharts to switch outputs in response to inputs and decisions.

Recurring themes

Calculations are guaranteed. Mechanical advantage, velocity ratio, gear ratio and RPM are tested in the 10 calculation marks; show the formula, substitute, and give the unit.
Match the source or device to the product. Energy and mechanism questions are set in a context, so justify the choice for the named product.
Systems thinking. Many electronics questions want a clear input, process, output diagram with arrows.

How to study energy and systems

Drill the calculations. Practise mechanical advantage, velocity ratio, gear ratio and RPM until the formulas and rounding are automatic; check that a bigger gear comes out slower.
Learn the four motions and lever classes. These are quick, reliable marks and underpin the mechanism questions.
Practise systems diagrams. Be able to name a sensor (input), a control device (process) and an output, with arrows showing the signal flow.
Compare energy sources. Weigh renewables against fossil fuels for a product, remembering storage for intermittent sources.
Attempt past papers. Practise Edexcel 1DT0 Section A calculation and systems questions under timed conditions.

The module, dot point by dot point

Each part has a specification-level answer page with worked exam questions and cross-links, plus this overview and a quiz. Browse the full set at /gcse-edexcel/design-and-technology/syllabus.

For the official specification

Pearson publishes the full specification (1DT0), past papers and mark schemes at qualifications.pearson.com. Always revise from the current specification and Edexcel's own past papers, because question style is board-specific.

Sources & how we know this

Pearson Edexcel GCSE (9-1) Design and Technology (1DT0) specification — Pearson Edexcel (2022)