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Daily Practice · GCSE Science

October 1987 5-a-day

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October 1987

31 sheets · 155 questions · GCSE

October 1987 compilationAll answers

Every sheet in October 1987

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 1987State the functional group found in all carboxylic acids.
  2. 2nd October 1987Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
  3. 3rd October 1987What happens to the energy described as 'wasted' in a transfer?
  4. 4th October 1987State the correct SI unit for density.
  5. 5th October 1987Explain the difference between irradiation and contamination.
  6. 6th October 1987State the speed at which all electromagnetic waves travel through a vacuum.
  7. 7th October 1987A 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.
  8. 8th October 1987Convert 0.02 mm into micrometres (um).
  9. 9th October 1987Name the products of protein digestion.
  10. 10th October 1987State the difference between an antibiotic and a painkiller.
  11. 11th October 1987Name the two parts of the central nervous system (CNS).
  12. 12th October 1987Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
  13. 13th October 1987State one benefit of recycling metal rather than extracting new metal from its ore.
  14. 14th October 1987Name the three types of strong chemical bonding.
  15. 15th October 1987Convert 250 cubic centimetres into cubic decimetres.
  16. 16th October 1987A student heats solid copper carbonate strongly in a test tube, and it breaks down into copper oxide and carbon dioxide. Heating must be continued throughout the reaction for it to keep going. State whether this thermal decomposition reaction is exothermic or endothermic, and explain your reasoning.
  17. 17th October 1987Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
  18. 18th October 1987Write the formula for calculating an Rf value.
  19. 19th October 1987Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
  20. 20th October 1987What happens to the total resistance when a second resistor is added in parallel, and why?
  21. 21st October 1987What happens inside the nucleus when a beta particle is emitted?
  22. 22nd October 1987A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
  23. 23rd October 1987State the difference between a permanent magnet and an induced magnet.
  24. 24th October 1987State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
  25. 25th October 1987State three factors that increase the rate of diffusion.
  26. 26th October 1987State one way that pathogens can be spread from person to person.
  27. 27th October 1987State two things excess glucose can be converted into for storage in the human body.
  28. 28th October 1987Define homozygous.
  29. 29th October 1987What does 'concordant' mean when applied to titres?
  30. 30th October 1987What did the alpha scattering experiment show that the plum pudding model could not explain?
  31. 31st October 1987Magnesium is burned in an open crucible and the mass increases. Explain why.