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Daily Practice · GCSE Science

March 1976 5-a-day

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March 1976

31 sheets · 155 questions · GCSE

March 1976 compilationAll answers

Every sheet in March 1976

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

  1. 1st March 1976Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
  2. 2nd March 1976Explain why carbon monoxide is dangerous even though it has no smell.
  3. 3rd March 1976Why can no device be 100 percent efficient?
  4. 4th March 1976Why is melting described as a physical change?
  5. 5th March 1976A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
  6. 6th March 1976A wave has a frequency of 50 Hz. Calculate its period.
  7. 7th March 1976Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
  8. 8th March 1976Convert 0.05 mm into micrometres.
  9. 9th March 1976State the function of the valves in the heart and in veins.
  10. 10th March 1976State three factors that can limit the rate of photosynthesis.
  11. 11th March 1976State one risk factor linked to type 2 diabetes.
  12. 12th March 1976The 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.
  13. 13th March 1976Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
  14. 14th March 1976Write the formula of calcium chloride and explain the ratio.
  15. 15th March 1976Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
  16. 16th March 1976Hydrogen 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.
  17. 17th March 1976Define the term 'homologous series'.
  18. 18th March 1976Name three greenhouse gases.
  19. 19th March 1976A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
  20. 20th March 1976Give the equation linking energy transferred, charge flow and potential difference.
  21. 21st March 1976Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
  22. 22nd March 1976Write down the equation that links moment, force and distance.
  23. 23rd March 1976A 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.
  24. 24th March 1976Why does taking repeat readings and calculating a mean improve the data?
  25. 25th March 1976Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
  26. 26th March 1976State two ways measles is prevented from spreading.
  27. 27th March 1976Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
  28. 28th March 1976Define speciation.
  29. 29th March 1976Explain, in terms of electrons, why reactivity decreases going down Group 7.
  30. 30th March 1976Give two observations when lithium is added to water.
  31. 31st March 1976State the value of the Avogadro constant and what it counts.