Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
- 1Chemistry: Reactions, Energy and Rates
In the disappearing cross experiment, a student times how long it takes for a cross under the flask to disappear from view. Explain why a shorter time indicates a faster reaction.
- 2Chemistry: Metals, the Reactivity Series and Environmental Chemistry
A piece of magnesium ribbon is added to silver nitrate solution. State whether a displacement reaction would occur, and explain why.
- 3Physics: Forces and Energy
A farmer weighing 900 N stands on the ground. Her boots have a total sole area of 0.03 m^2. Use pressure = force / area to calculate the pressure she exerts on the ground, giving your answer in Pa.
- 4Physics: Electricity, Magnetism and Waves
State whether the north pole of one bar magnet placed near the north pole of a second bar magnet will attract or repel.
- 5Physics: Light, Sound and Space
A red filter is held in front of a torch shining white light. State which colour of light passes through the filter.
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