Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
11th October 2006
- 1Science: Full Practice Paper 8
Name the enzyme found in saliva that begins the digestion of starch in the mouth.
- 2Science: 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.
- 3Working 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.
- 4Science: Working Scientifically and Practical Skills Set 2
A pupil's teacher suggests using a data logger to measure temperature every second during an experiment, instead of a pupil reading a thermometer every minute. Suggest one advantage of using a data logger in this experiment.
- 5Science: Working Scientifically and Practical Skills Set 3
On a graph of temperature (y-axis) against time (x-axis), a straight line rises from (0 s, 20 degrees C) to (40 s, 60 degrees C). Calculate the gradient of this line, and state what it represents.
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