IGCSE Sciences - Co-Ordinated (0973) — May–June 2024, Paper 41
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 is a diagram of the female reproductive system in humans, with parts labelled A to F. State which letter in Fig. 1.1 identifies where: meiosis occurs ...; fertilisation…
Answer this question and get it marked →Magnesium sulfate contains magnesium ions, Mg2+, and sulfate ions, SO4 2-. Determine the formula of magnesium sulfate.
Answer this question and get it marked →Fig. 3.1 shows a ripple tank used to investigate water waves; an electric motor causes a board to vibrate, producing waves at a constant rate. The motor causes the board to move…
Answer this question and get it marked →A student investigates the effect of temperature on the rate of transpiration, estimated by recording the loss in mass. One plant is kept at 20 C and one at 40 C, and the mass of…
Answer this question and get it marked →Fig. 5.1 shows part of the structure of lithium chloride (alternating Li+ and Cl- ions in a lattice). Deduce the formula of lithium chloride.
Answer this question and get it marked →Fig. 6.1 shows a canister filled with liquid chlorine under pressure; when released it turns into a gas. Describe the arrangement and separation of molecules in a liquid and…
Answer this question and get it marked →Fig. 7.1 shows the difference in the cells lining the gas exchange system of a person that smokes tobacco (shorter cilia, more mucus) and a person that does not smoke (longer…
Answer this question and get it marked →A student investigates the reactivity of four metals W, X, Y and Z by reacting the same sized piece of each metal with excess dilute hydrochloric acid. Table 8.1: W fizzed rapidly…
Answer this question and get it marked →Fig. 9.1 shows a skydiver before the parachute opens, with air resistance 760 N upward and force Q downward. The skydiver has a mass of 84 kg. State the name of the force labelled…
Answer this question and get it marked →Fig. 10.1 is a diagram of part of the carbon cycle (carbon compounds in the atmosphere, fossil fuels, plants, animals, dead organisms, with processes A, B, C). State the name of…
Answer this question and get it marked →Electrolysis is the breakdown of an ionic compound by the passage of electricity. Complete the sentences about the products of electrolysis (choose from: electrolytes, hydrogen,…
Answer this question and get it marked →A student is investigating electrical circuits. Fig. 12.1 shows a circuit with a 6.0 V battery, an ammeter, a resistor R and a voltmeter across R. The ammeter reads 0.50 A and the…
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