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Daily Practice · GCSE Science

July 2002 - GCSE Science 5-a-day

Every GCSE Science sheet published in July 2002, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

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July 2002

31 sheets · 155 questions · GCSE

July 2002 compilationAll answers

Every sheet in July 2002

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 2002An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
  2. 2nd July 2002Describe the symptoms of rose black spot and its effect on the plant.
  3. 3rd July 2002Name the gland that monitors and controls blood glucose concentration.
  4. 4th July 2002Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
  5. 5th July 2002An atom has atomic number 11 and mass number 23. State the number of protons.
  6. 6th July 2002Why did Mendeleev leave gaps in his table?
  7. 7th July 2002Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  8. 8th July 2002State whether the combustion of methane is exothermic or endothermic.
  9. 9th July 2002State the two named reactants used in the Haber process.
  10. 10th July 2002State the flame test colour for sodium ions.
  11. 11th July 2002Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
  12. 12th July 2002Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
  13. 13th July 2002A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
  14. 14th July 2002A 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.
  15. 15th July 2002An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
  16. 16th July 2002A 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.
  17. 17th July 2002State three functions of mitosis.
  18. 18th July 2002What happens to guard cells when a plant is short of water?
  19. 19th July 2002Write the word equation for photosynthesis.
  20. 20th July 2002Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
  21. 21st July 2002State one method used to try to maintain biodiversity.
  22. 22nd July 2002Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
  23. 23rd July 2002Why is graphite soft and slippery?
  24. 24th July 2002Explain the difference between a strong acid and a concentrated acid.
  25. 25th July 2002A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
  26. 26th July 2002Name the two methods used to produce ethanol industrially.
  27. 27th July 2002Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
  28. 28th July 2002Name four energy stores.
  29. 29th July 2002State the correct SI unit for density.
  30. 30th July 2002State one source of natural background radiation and one source of artificial (man-made) background radiation.
  31. 31st July 2002State whether sound waves are transverse or longitudinal.