Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
13th June 2013
- 1Chemistry: Reactions, Energy and Rates
Explain, using collision theory, why crushing a solid into a powder increases the rate of reaction.
- 2Chemistry: Metals, the Reactivity Series and Environmental Chemistry
Name the gas released when fossil fuels are burned that is the main cause of the enhanced greenhouse effect.
- 3Physics: 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.
- 4Physics: Electricity, Magnetism and Waves
State whether sound is a transverse wave or a longitudinal wave.
- 5Physics: Light, Sound and Space
A cliff is 170 m from a person who claps and hears the echo. Use distance = speed x time and a speed of sound of 340 m/s to calculate how long after the clap the echo is heard.
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