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Daily Practice · GCSE Science

May 2021 - GCSE Science 5-a-day

Every GCSE Science sheet published in May 2021, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

← Today's GCSE Science sheet

May 2021

31 sheets · 155 questions · GCSE

May 2021 compilationAll answers

Every sheet in May 2021

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 2021State the two substances that react inside a hydrogen fuel cell.
  2. 2nd May 2021State the general formula of the alkenes.
  3. 3rd May 2021Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
  4. 4th May 2021A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
  5. 5th May 2021State the potential difference and frequency of the UK mains supply.
  6. 6th May 2021What did Bohr add to the nuclear model?
  7. 7th May 2021A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
  8. 8th May 2021Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
  9. 9th May 2021Why must the same volume of solution be used in every tube in an enzyme investigation?
  10. 10th May 2021An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
  11. 11th May 2021Describe the symptoms of rose black spot and its effect on the plant.
  12. 12th May 2021Name the three parts common to every homeostatic control system.
  13. 13th May 2021State one advantage and one disadvantage of selective breeding in farm animals.
  14. 14th May 2021An atom has atomic number 11 and mass number 23. State the number of protons.
  15. 15th May 2021Why did Mendeleev leave gaps in his table?
  16. 16th May 2021Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  17. 17th May 2021State whether the combustion of methane is exothermic or endothermic.
  18. 18th May 2021In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
  19. 19th May 2021State the flame test colour for sodium ions.
  20. 20th May 2021Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
  21. 21st May 2021Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
  22. 22nd May 2021A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
  23. 23rd May 2021A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
  24. 24th May 2021A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
  25. 25th May 2021Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
  26. 26th May 2021State three functions of mitosis.
  27. 27th May 2021What happens to guard cells when a plant is short of water?
  28. 28th May 2021Write the word equation for photosynthesis.
  29. 29th May 2021Name the three-domain system of classification, and name the scientist most associated with proposing it.
  30. 30th May 2021State one method used to try to maintain biodiversity.
  31. 31st May 2021Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.