Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
12th October 2011
- 1Chemistry: Metals, the Reactivity Series and Environmental Chemistry
Name the two substances that must both be present for iron to rust.
- 2Physics: 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.
- 3Physics: 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.
- 4Physics: 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.
- 5Physics: 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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