IGCSE Sciences - Co-Ordinated (0654) — October–November 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 alimentary canal and associated organs in humans, with parts labelled A, B, C, D, E, F, G and H. State the letter that identifies a part in Fig. 1.1:…
Answer this question and get it marked →The arrangement and movement of particles in solids, liquids and gases are different. Draw one line from each state of matter (solid; liquid; gas) to the arrangement and movement…
Answer this question and get it marked →A student investigates the properties of graphite. Fig. 3.1 shows a cylinder of graphite. The cylinder is 6.50 cm long and has a cross-sectional area of 0.300 cm^2. Show that the…
Answer this question and get it marked →A student monitors their heart rate during vigorous exercise for 30 minutes. Their heart rate is measured in beats per minute (bpm). Fig. 4.1 is a graph of the results (heart rate…
Answer this question and get it marked →Complete the sentences about the structure of an atom: An atom has a central nucleus containing ... and ... and a series of ... of electrons surrounding the nucleus.
Answer this question and get it marked →Fig. 6.1 shows a mobile phone (cell phone) on a wireless charging pad, with the screen, the wireless charging pad and the mains cable labelled. The screen of the mobile phone is…
Answer this question and get it marked →A student cuts cylinders of potato of almost identical size and measures the length of each one. The student immerses each potato cylinder in a different concentration of sucrose…
Answer this question and get it marked →A student investigates the reaction between zinc and dilute nitric acid, HNO3. Zinc nitrate, Zn(NO3)2, and hydrogen gas, H2, are made. Construct the balanced symbol equation for…
Answer this question and get it marked →Tritium (hydrogen-3, proton number 1) is an isotope of hydrogen. Tritium decays by beta emission. Use correct nuclide notation to complete the decay equation for tritium: (3,1)H -…
Answer this question and get it marked →Scientists investigate eutrophication in a lake. They measure the relative abundance of different factors. Fig. 10.1 is a graph summarising the results (relative abundance against…
Answer this question and get it marked →Aluminium is extracted by electrolysis from the ore bauxite that contains aluminium oxide, Al2O3. The equation for the overall reaction is: 2Al2O3(l) - 4Al(l) + 3O2(g). A…
Answer this question and get it marked →A car is moving at 9.0 m/s along a flat horizontal road. The driver applies the brakes, and the car slows down and stops. Fig. 12.1 shows a speed-time graph for the car as it…
Answer this question and get it marked →← October–November 2024 Paper 42 · October–November 2024 Paper 33 →