IGCSE Design & Technology (0979) — May–June 2025, Paper 42

Add two ticks (✓) to each item, A, B and C, in Fig. 1.1 to identify the type of structure and if it is man-made or natural. Fig. 1.1 is a table with columns A, B and C, each…

Suspension bridges are often supported by steel cables. Give two properties of steel that make it suitable for use in cables.

Fig. 3.1 shows a wooden structure. State the method that has been used in the wooden structure to ensure rigidity. Fig. 3.1 is a square wooden frame with two diagonal members…

Friction can be reduced by design. Give two examples of how friction can be reduced when designing a car.

Fig. 5.1 shows part of the drive mechanism on a steam locomotive. Describe how friction could be reduced in the moving parts of the drive mechanism. Fig. 5.1 is a photograph of a…

State the type of motion associated with each symbol in Fig. 6.1. Fig. 6.1 shows four motion symbols labelled A, B, C and D: A - a straight horizontal double-headed arrow (arrows…

State the purpose of a switch in an electronic circuit.

Table 8.1 shows multiple and submultiple voltage values. Complete Table 8.1 to show each value converted into volts. One has been done for you. Table 8.1: Value Converted to Volts…

State what is meant by a 'moment' in a structure.

Fig. 10.1 shows a pair of garden loppers used to cut branches from trees. The distance from the pivot to the cutting jaw is 50 mm and the distance from the pivot to the end of the…

Fig. 11.1 shows two incomplete light-emitting diode (LED) circuits, circuit S and circuit T. Each circuit has a 9 V battery and a resistor R₁ in series with an LED. Circuit S…