IGCSE Science - Combined (0653) — May–June 2023, Paper 33

The boxes on the left show characteristics of living organisms; the boxes on the right show descriptions. Draw one straight line from each characteristic (growth, movement,…

A student investigates the combustion of natural gas (Fig. 2.1: a beaker of water heated by burning natural gas). The student measures the temperature of the water as the natural…

Fig. 3.1 shows a football player kicking a football. Fig. 3.2 is a speed–time graph for the horizontal motion of the ball after leaving the player's foot (speed / m/s against time…

Fig. 4.1 is a diagram of the alimentary canal and associated organs with two unlabelled parts. Complete the labels in Fig. 4.1 with the names of the parts shown.

Magnesium sulfate is produced by reacting excess magnesium oxide with dilute sulfuric acid. Complete the word equation for this reaction. + → magnesium sulfate +

Fig. 6.1 shows a car battery connected to an electric heater used in a caravan, with two identical heating elements. State the type of circuit connection for the heating elements.

Fig. 7.1 shows part of a food web (grasses, seeds → insects, grouse, chipmunk, marmot; bear; hawk). Identify the two herbivores in Fig. 7.1.

Fig. 8.1 lists some Group I elements (Li lithium, Na sodium, K potassium). The elements in Group I react with water to produce a gas. State the name of this gas.

A person's voice emits sound as longitudinal waves, represented by wave graphs of displacement against time. Fig. 9.1 shows wave graph A and wave graph B as they travel through…