Daily Practice · 13+ Common Entrance

Daily Practice - 13+ Common Entrance

5th December 1996

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

1
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.
2
Physics: Forces and Energy
A trolley of mass 20 kg is pushed with a resultant force of 60 N. Use force = mass x acceleration to calculate its acceleration.
3
Physics: Electricity, Magnetism and Waves
A torch bulb has a resistance of 15 ohms and a current of 0.2 A flows through it. Use V = I x R to calculate the voltage across the bulb.
4
Physics: Light, Sound and Space
A ray of light travels from air into a glass block. State whether the ray bends towards the normal or away from the normal as it enters the glass.
5
Physics: Forces, Motion and Energy Resources
A wind turbine and a coal power station both generate electricity, but only one of them directly burns fuel to boil water into steam. State which one this is, and name the component that this steam turns.

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