Daily Practice

13+ Common Entrance

26th April 1989

5 questions · Years 7-8 · 744 questions in this band

1
Chemistry: Reactions, Energy and Rates
A student dissolves ammonium nitrate in water and the temperature of the solution falls. State whether this process is exothermic or endothermic.
2
Chemistry: Metals, the Reactivity Series and Environmental Chemistry
Explain why attaching a block of zinc to the hull of a steel ship helps to protect the ship from rusting.
3
Physics: Forces and Energy
Ben has a mass of 12 kg. Calculate his weight on Earth. Use weight = mass x gravitational field strength, with g = 10 N/kg.
4
Physics: Electricity, Magnetism and Waves
Name the circuit component whose symbol is a circle with a cross inside it.
5
Physics: Light, Sound and Space
An astronaut has a mass of 70 kg on Earth. State her mass on the Moon, and explain why her weight on the Moon is less than her weight on Earth.

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