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Daily Practice · GCSE Science

July 1988 5-a-day

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July 1988

31 sheets · 155 questions · GCSE

July 1988 compilationAll answers

Every sheet in July 1988

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

  1. 1st July 1988In the rate experiment where a cross disappears, why is the result subjective?
  2. 2nd July 1988An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
  3. 3rd July 1988Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
  4. 4th July 1988In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
  5. 5th July 1988State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
  6. 6th July 1988A solid gives a lilac flame test. Name the metal ion present.
  7. 7th July 1988Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
  8. 8th July 1988Give the equation for efficiency in terms of energy.
  9. 9th July 1988Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
  10. 10th July 1988A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
  11. 11th July 1988A wave has a period of 0.005 s. Calculate its frequency.
  12. 12th July 1988State the difference between a natural satellite and an artificial satellite, and give one example of each.
  13. 13th July 1988State the function of the mitochondria.
  14. 14th July 1988Which component of blood transports carbon dioxide, urea and hormones?
  15. 15th July 1988A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
  16. 16th July 1988Name the hormone that causes the liver to convert stored glycogen back into glucose.
  17. 17th July 1988A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
  18. 18th July 1988Classify crude oil as finite or renewable, and justify your answer.
  19. 19th July 1988Why can metals conduct electricity when solid?
  20. 20th July 1988Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
  21. 21st July 1988State whether forming a new chemical bond requires energy or releases energy.
  22. 22nd July 1988State the type of reaction that occurs when bromine adds across the double bond of an alkene.
  23. 23rd July 1988Give two human activities that increase the amount of greenhouse gases in the atmosphere.
  24. 24th July 1988A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
  25. 25th July 1988What is the difference between alternating and direct current?
  26. 26th July 1988What observation showed that the atom is mostly empty space?
  27. 27th July 1988Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
  28. 28th July 1988State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
  29. 29th July 1988In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
  30. 30th July 1988State two ways that bile aids the digestion of fats.
  31. 31st July 1988Why can HIV not be treated with antibiotics?