Daily Practice

13+ Common Entrance

14th May 1984

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

1
Chemistry: Reactions, Energy and Rates
A reaction between magnesium ribbon and hydrochloric acid gives off heat, and the temperature of the acid rises from 20 degrees C to 35 degrees C. State whether this reaction is exothermic or endothermic, and explain how you know.
2
Chemistry: Metals, the Reactivity Series and Environmental Chemistry
State the method used to extract aluminium from its ore, and explain why this method is needed rather than reduction with carbon.
3
Physics: Forces and Energy
State whether the main force acting when a compass needle points north is a contact force or a non-contact force.
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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