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Daily Practice · GCSE Science

October 1988 5-a-day

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October 1988

31 sheets · 155 questions · GCSE

October 1988 compilationAll answers

Every sheet in October 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 October 1988A wave has a frequency of 50 Hz. Calculate its period.
  2. 2nd October 1988Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
  3. 3rd October 1988Convert 0.05 mm into micrometres.
  4. 4th October 1988State the function of the valves in the heart and in veins.
  5. 5th October 1988Name the organelle in a plant cell where photosynthesis takes place.
  6. 6th October 1988State one risk factor linked to type 2 diabetes.
  7. 7th October 1988The Arctic fox has small, rounded ears compared with the desert fennec fox, which has very large ears. State whether this is a structural, behavioural or functional adaptation, and explain how it helps the Arctic fox survive.
  8. 8th October 1988Name one method used to sterilise fresh water during the production of potable water.
  9. 9th October 1988Write the formula of calcium chloride and explain the ratio.
  10. 10th October 1988Write the word equation for the reaction between zinc and hydrochloric acid.
  11. 11th October 1988Hydrogen reacts with chlorine to form hydrogen chloride: H2 + Cl2 -> 2HCl. Use the bond energies given to calculate the overall energy change for this reaction. Bond energies: H-H = 436 kJ/mol, Cl-Cl = 243 kJ/mol, H-Cl = 432 kJ/mol.
  12. 12th October 1988Define the term 'homologous series'.
  13. 13th October 1988State the approximate percentage of nitrogen in today's atmosphere.
  14. 14th October 1988A spring is compressed. Which energy store increases?
  15. 15th October 1988Give the equation linking energy transferred, charge flow and potential difference.
  16. 16th October 1988Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
  17. 17th October 1988Write down the equation that links moment, force and distance.
  18. 18th October 1988A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
  19. 19th October 1988Why does taking repeat readings and calculating a mean improve the data?
  20. 20th October 1988Name the organ system responsible for breaking food down into small, soluble molecules.
  21. 21st October 1988State two ways measles is prevented from spreading.
  22. 22nd October 1988Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
  23. 23rd October 1988Define speciation.
  24. 24th October 1988An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
  25. 25th October 1988Give two observations when lithium is added to water.
  26. 26th October 1988State the value of the Avogadro constant and what it counts.
  27. 27th October 1988Give one everyday example of an endothermic process.
  28. 28th October 1988State the catalyst commonly used in the Haber process.
  29. 29th October 1988Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
  30. 30th October 1988Write the equation linking power, energy and time, and rearrange it for time.
  31. 31st October 1988A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.