Daily Practice

13+ Common Entrance

11th September 1977

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

1
Science: 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.
2
Science: Full Practice Paper 9
State the approximate time it takes for light from the Sun to reach the Earth.
3
Working Scientifically
A student measures the length of a metal rod five times: 62.1 cm, 62.4 cm, 62.0 cm, 62.5 cm, 62.2 cm. Calculate the mean length of the rod.
4
Science: 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.
5
Science: Working Scientifically and Practical Skills Set 3
A hazard symbol shows a skull and crossbones on an orange background. State what hazard this represents.

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