β Scotland Engineering Science
Scotland Β· SQASyllabus
Engineering Science syllabus, dot point by dot point
Every dot point in the Scotland Engineering Sciencesyllabus, with a focused answer for each one. Click any dot point for a worked explainer, past exam questions, and links to related dot points. Written by Claude Opus 4.8, Anthropic's latest AI.
Area 2: Electronics and control
Module overview β- How are voltage, current, resistance and power related in an analogue circuit?Analogue electronics: voltage, current and resistance, Ohm's law, electrical power, and combining resistors in series and in parallel.10 min answer β
- How do we combine gates to control an output, and how do NAND gates and Boolean expressions help?Combinational logic: combining gates to meet a control requirement, completing the truth table of a combined circuit, NAND and NOR gates, and reading a Boolean expression.10 min answer β
- How do digital logic gates make decisions from high and low inputs?Digital logic gates (AND, OR, NOT) and their truth tables, including recognising gate symbols and completing a truth table for a single gate.9 min answer β
- How does a microcontroller use a program to control inputs and outputs?Programmable control: the microcontroller as a programmable process sub-system and the use of flowcharts with inputs, decisions, outputs and loops to control a system.9 min answer β
- How does an operational amplifier compare two voltages or boost a small signal?The operational amplifier as a comparator and as an inverting amplifier, including calculating the voltage gain and output voltage of an inverting amplifier.10 min answer β
- How does a small sensor signal switch on a large output device like a motor or lamp?Output devices and transistor switching: common output transducers and using a transistor as an electronic switch driven by a sensing circuit, including a protective diode.9 min answer β
- How do we represent an electronic system as input, process and output?Universal systems diagrams: representing an electronic or control system as input, process and output sub-systems using block diagrams.8 min answer β
- How do we turn a physical condition like light or heat into a changing voltage?The voltage divider and input transducers: calculating the output voltage of a divider and using the LDR and thermistor to make light- and temperature-sensing circuits.10 min answer β
Area 1: Engineering contexts and challenges
Module overview β- Where does the energy in engineered systems come from, and how is it transformed?Renewable and non-renewable energy sources, energy transformations in engineering systems, and the conservation of energy.9 min answer β
- What do engineers do, and what are the main branches of engineering?The role of engineering and the main engineering disciplines (mechanical, electrical, electronic, civil, structural, chemical) and how they contribute to products and systems.9 min answer β
- How do engineers weigh up the environmental, social and economic impact of what they design?The impact of engineering achievements on society and the environment, and the meaning of sustainability in engineering design.9 min answer β
- How does the National 5 assignment work, and what is rewarded in the report?Overview of the National 5 Engineering Science course assessment: the question paper and the assignment, and the design-and-build skills the assignment rewards.8 min answer β
Area 3: Mechanisms and structures
Module overview β- What is a force, how do mass and weight differ, and how is force linked to acceleration?Forces, the difference between mass and weight, the weight relationship W equals mg, and the force-mass-acceleration relationship F equals ma.9 min answer β
- How do gears change the speed and turning force of a rotating drive?Gear systems and the gear ratio, calculating output speed from the gear ratio, and how gearing trades speed for torque.9 min answer β
- How does a lever multiply force, and what keeps it balanced?Levers and the moment of a force, calculating a moment, and applying the principle of moments to a balanced lever.9 min answer β
- What properties do engineering materials have, and how does an engineer choose the right one?Properties of engineering materials and material selection: the main mechanical properties, the main groups of materials, and choosing a material to suit a structural job.9 min answer β
- How much does a machine multiply force, and how efficient is it?Mechanical advantage, velocity ratio and efficiency of a mechanism, including calculating each and relating efficiency to wasted energy.10 min answer β
- What types of mechanism and drive system change motion, and how does a belt or chain drive work?Mechanisms and drive systems: the four types of motion, belt and chain drives, and calculating the velocity ratio and output speed of a pulley drive.9 min answer β
- What is pressure, and how does a pneumatic cylinder produce a force?Pressure as force per unit area, the relationship P equals F over A, and how a pneumatic cylinder uses air pressure to produce an output force.9 min answer β
- How do the members of a structure carry load, and how do we find the support reactions of a beam?Structures: tension and compression in members (ties and struts), the equilibrium of a beam, and using the principle of moments to find the support reactions.10 min answer β
- How do we calculate the work done by a force and the power of a machine?Work done by a force, mechanical power as work done per second, and the relationships work equals force times distance and power equals work over time.9 min answer β