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

May 1973 5-a-day

← Today's GCSE Science sheet

May 1973

31 sheets · 155 questions · GCSE

May 1973 compilationAll answers

Every sheet in May 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 May 1973A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
  2. 2nd May 1973State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
  3. 3rd May 1973Describe the test, and the positive result, for ammonium ions.
  4. 4th May 1973Convert 3.5 kJ into joules.
  5. 5th May 1973State the UK mains supply frequency and typical potential difference.
  6. 6th May 1973How is the temperature of a gas related to the motion of its molecules?
  7. 7th May 1973A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
  8. 8th May 1973State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
  9. 9th May 1973State two uses of artificial satellites.
  10. 10th May 1973How many pairs of chromosomes are there in a human body cell?
  11. 11th May 1973Where are most stomata found on a typical leaf, and why?
  12. 12th May 1973Name four limiting factors of photosynthesis.
  13. 13th May 1973State one difference between selective breeding and genetic engineering.
  14. 14th May 1973State what is meant by the term biodiversity.
  15. 15th May 1973Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
  16. 16th May 1973Give one use of nanoparticles and one associated risk.
  17. 17th May 1973Give the ionic equation for neutralisation.
  18. 18th May 1973State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
  19. 19th May 1973State the functional group found in all carboxylic acids.
  20. 20th May 1973Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
  21. 21st May 1973State the equation for gravitational potential energy.
  22. 22nd May 1973A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
  23. 23rd May 1973Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
  24. 24th May 1973State the speed at which all electromagnetic waves travel through a vacuum.
  25. 25th May 1973A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
  26. 26th May 1973State one structure found in a bacterial cell but not in an animal cell.
  27. 27th May 1973Explain what happens to an enzyme above its optimum temperature.
  28. 28th May 1973Name three non-specific defences of the human body.
  29. 29th May 1973Name the two parts of the central nervous system (CNS).
  30. 30th May 1973Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
  31. 31st May 1973Define a finite resource, giving one example.