IGCSE Sciences - Co-Ordinated (0973) — October–November 2023, Paper 31

Fig. 1.1 is a diagram of the female reproductive system in humans, with parts labelled A, B, C, D and E. Identify the letters in Fig. 1.1 that represent the part: that produces…

Air is a mixture of gases. Fig. 2.1 shows two pie charts representing samples of air, A and B (each with oxygen, gas X and other gases). State which sample, A or B, represents…

Fig. 3.1 shows four forces, A, B, C and D, acting on a submarine travelling underwater at a constant depth and at constant speed (A upthrust upward, C weight downward, B…

A student records their pulse rate in beats per minute (bpm) during different types of activity. Fig. 4.1 shows a bar chart of the results for resting, cycling, running, walking…

Table 5.1 shows five compounds and their formulae: A = CO, B = CO2, C = CH4, D = C2H4, E = C2H6. State the compound from Table 5.1 that is an unsaturated hydrocarbon.

Fig. 6.1 shows an incomplete circuit diagram with lamp A, lamp B and a component X. Complete the circuit diagram in Fig. 6.1 by adding an ammeter to measure the current in lamp A…

Horses are herbivores. Define the term herbivore.

Table 8.1 gives statements about molecules in solids and gases. Put a tick next to each statement to show if it refers to a solid or to a gas: molecules are closely packed;…

Train track is made of lengths of steel rails with small gaps between them (Fig. 9.1). Suggest why gaps are left between the steel rails.

A student investigates the conditions required for the germination of seeds. Fig. 10.1 shows four test-tubes: A (room temperature 20 C, wet cotton wool), B (room temperature, dry…

A student investigates the reaction between magnesium and dilute sulfuric acid. During the reaction, hydrogen gas and a salt are made. Complete the word equation for this…

A cyclist is riding a bicycle around a circular track of length 400 m, completing five laps. The time for each lap is recorded in Table 12.1: lap 1 = 35.3 s, lap 2 = 34.7 s, lap 3…