Daily Practice · 13+ Common Entrance

Daily Practice - 13+ Common Entrance

30th June 1997

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

1
Science: Full Practice Paper 8
State the products formed when a metal reacts with an acid.
2
Science: Full Practice Paper 9
State the name of the force that acts to slow down a moving object due to contact between two surfaces.
3
Working 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.
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
State why it is good practice to run a quick preliminary (trial) experiment before starting the main investigation.

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