Daily Practice

13+ Common Entrance

19th January 1992

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

1
Science: Full Practice Paper 7
Name the force that pulls all objects with mass towards each other, keeping planets in orbit.
2
Science: Full Practice Paper 8
Name the enzyme found in saliva that begins the digestion of starch in the mouth.
3
Science: Full Practice Paper 9
A pupil adds universal indicator to a solution and it turns red. State whether the solution is acidic, alkaline or neutral.
4
Working Scientifically
A cylinder of gas is labelled with a diamond-shaped symbol showing a black flame on an orange background. State what hazard this symbol represents.
5
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.

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