IGCSE Sciences - Co-Ordinated (0654) — May–June 2024, Paper 33
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A student watches some scary movies. The average pulse rate is measured during each movie and the highest pulse rate is recorded (Table 1.1). The student has a 'flight or fight'…
Answer this question and get it marked →The list gives the names of seven elements: calcium, carbon, copper, oxygen, nitrogen, potassium, sulfur. Each element may be used once, more than once or not at all. State which…
Answer this question and get it marked →Doctors use ionising and non-ionising radiations in hospitals. Table 3.1 lists some radiations (alpha, beta, gamma, ultrasound, X-rays). Gamma is shown ionising (tick) and…
Answer this question and get it marked →Fig. 4.1 is a diagram of the female reproductive system in humans, with parts labelled A, B, C and D. The boxes on the left show the letters A, B, C, D; the boxes on the right…
Answer this question and get it marked →Ethanol has the formula C2H5OH. Complete Fig. 5.1 to show the structure of an ethanol molecule. (Fig. 5.1 shows two C atoms.)
Answer this question and get it marked →A farmer drives his tractor in a field. Fig. 6.1 shows the forces J, K, L and M acting on the tractor as it accelerates towards the right. J points up, L points down, K points…
Answer this question and get it marked →A student investigates the effect of light on an aquatic plant. The student counts the number of bubbles of gas released in one minute by the aquatic plant kept in the light, then…
Answer this question and get it marked →A teacher reacts sodium with water. Hydrogen and aqueous sodium hydroxide are the products. Balance the symbol equation for this reaction. 2Na + ...H2O - ...NaOH + H2
Answer this question and get it marked →Fig. 9.1 shows water in a steel saucepan being heated on an electric cooker. The water boils and some of the water changes into steam. State the main method of thermal energy…
Answer this question and get it marked →Fig. 10.1 is a diagram of the carbon cycle, showing carbon dioxide in the atmosphere, carbon compounds in animals and in plants, carbon compounds in dead organisms and in fossil…
Answer this question and get it marked →Iron is a metal. Circle three physical properties which are characteristic of metals. good electrical conductor high melting point low boiling point malleable poor thermal…
Answer this question and get it marked →A student investigates the motion of smoke particles in air using a microscope. Fig. 12.1 shows the apparatus (glass box containing smoke particles and air molecules, microscope,…
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