13+ Common Entrance
15th October 1980
- 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 results table is missing units for one column, headed only 'Volume'. State why it is important to always include a unit in a column heading or with a numerical answer.
- 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.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent 13+ Common Entrance sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1980, including the monthly compilation PDF.