Revision Library
/Subjects/Science/Daily Practice
Daily Practice · GCSE Science

October 1973 5-a-day

← Today's GCSE Science sheet

October 1973

31 sheets · 155 questions · GCSE

October 1973 compilationAll answers

Every sheet in October 1973

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st October 1973Describe the plum pudding model.
  2. 2nd October 1973State the equation that links pressure, force and area.
  3. 3rd October 1973In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
  4. 4th October 1973Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
  5. 5th October 1973State two ways that bile aids the digestion of fats.
  6. 6th October 1973Define a communicable disease.
  7. 7th October 1973Name the gland that monitors and controls blood glucose concentration.
  8. 8th October 1973Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
  9. 9th October 1973State the relative charge of a neutron.
  10. 10th October 1973Explain why potassium is more reactive than sodium.
  11. 11th October 1973Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
  12. 12th October 1973A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
  13. 13th October 1973State the two named reactants used in the Haber process.
  14. 14th October 1973A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
  15. 15th October 1973A device transfers 4500 J in 90 s. Calculate its power.
  16. 16th October 1973A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
  17. 17th October 1973Why does a bicycle pump get warm when used?
  18. 18th October 1973A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
  19. 19th October 1973An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
  20. 20th October 1973A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
  21. 21st October 1973What happens to the DNA before mitosis begins?
  22. 22nd October 1973State two conditions that increase the rate of transpiration.
  23. 23rd October 1973A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
  24. 24th October 1973Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
  25. 25th October 1973Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
  26. 26th October 1973State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
  27. 27th October 1973Explain why graphite conducts electricity but diamond does not.
  28. 28th October 1973State what is observed when magnesium ribbon is added to copper sulfate solution.
  29. 29th October 1973State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
  30. 30th October 1973Name the two methods used to produce ethanol industrially.
  31. 31st October 1973Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.