Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
13th December 2001
- 1Science: Full Practice Paper 7
State whether an acid has a pH value above or below 7.
- 2Science: Full Practice Paper 8
A circuit has a total resistance of 12 ohm and a current of 0.5 A flowing through it. Use V = I x R to calculate the voltage across the circuit.
- 3Science: Full Practice Paper 9
State the approximate time it takes for light from the Sun to reach the Earth.
- 4Working Scientifically
A thermometer has graduations every 1 degree C. A student takes a single temperature reading of 40 degrees C. Calculate the percentage uncertainty in this reading.
- 5Science: Working Scientifically and Practical Skills Set 2
A pupil uses a stopwatch to measure how long a candle takes to burn down by 1 cm, but forgets to shield the candle from a draught in the room. State whether this makes the result less reliable or less valid, and explain your answer.
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