IGCSE Sciences - Co-Ordinated (0654) — May–June 2024, Paper 31
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows the parts of a human tooth, with parts labelled A (outer surface) and B (centre). State the names of the parts labelled A and B in Fig. 1.1. A ... B ...
Answer this question and get it marked →A list of metals is shown: aluminium, copper, iron, lead, magnesium, platinum, sodium. Identify from the list the metal that is found in Group I of the Periodic Table.
Answer this question and get it marked →A torch (flashlight) contains two cells, a lamp and a switch connected in series. Fig. 3.1 shows an incomplete circuit diagram for the torch. Complete the circuit diagram in Fig.…
Answer this question and get it marked →Fig. 4.1 shows a food web from a rainforest environment (organisms: snake, ocelot, jaguar, howler monkey, three-toed sloth, banana tree). Construct a food chain from Fig. 4.1 that…
Answer this question and get it marked →Ice is a solid. Water is a liquid. Steam is a gas. Fig. 5.1 shows the different arrangement of the particles in ice, water and steam, labelled A, B and C. State and explain which…
Answer this question and get it marked →A train travels between two stations X and Y. Fig. 6.1 shows a speed-time graph for the journey (speed m/s 0-30 against time / s 0-1200; X at start, Y at end). State the time…
Answer this question and get it marked →Fig. 7.1 shows a cross-section through human skin, with parts labelled A, B, C, D, E and F. Table 7.1 shows some information about two of the parts labelled in Fig. 7.1. Complete…
Answer this question and get it marked →Petroleum is separated into different fractions. Table 8.1 shows the percentage composition of a 500 kg sample of petroleum. Identify fraction X.
Answer this question and get it marked →Fig. 9.1 shows four forces acting on a submarine. The submarine is moving underwater from right to left. A points up, C points down, B points right (backward), D points left…
Answer this question and get it marked →Fig. 10.1 shows the activity of some bacterial enzymes (A, B, C, D, E) at different temperatures (enzyme activity against temperature / C from -10 to 110). Complete the sentences…
Answer this question and get it marked →A calcium atom has a proton number of 20 and a nucleon number of 40. Deduce the number of protons, neutrons and electrons in this atom of calcium. number of protons ... number of…
Answer this question and get it marked →The driver of a car fills the fuel tank with gasoline (petrol). As the gasoline flows into the fuel tank, the gasoline becomes charged. State the force that causes the gasoline to…
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