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Daily Practice · GCSE Science

March 1995 - GCSE Science 5-a-day

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March 1995

31 sheets · 155 questions · GCSE

March 1995 compilationAll answers

Every sheet in March 1995

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 1995By what factor does kinetic energy increase if speed is doubled?
  2. 2nd March 1995State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
  3. 3rd March 1995Define the term 'half-life' of a radioactive isotope.
  4. 4th March 1995Define the term 'wavelength' of a wave.
  5. 5th March 1995State the difference between an alternator and a dynamo.
  6. 6th March 1995A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
  7. 7th March 1995Describe the positive result of the Biuret test.
  8. 8th March 1995What is tested during preclinical testing?
  9. 9th March 1995State the type of effector that produces a physical response by contracting.
  10. 10th March 1995Give one example of a biotic factor that could affect a population of rabbits.
  11. 11th March 1995Explain why potable water is not the same as pure water.
  12. 12th March 1995Explain why sodium chloride conducts electricity when molten but not when solid.
  13. 13th March 1995Why do companies prefer reactions with a high atom economy?
  14. 14th March 1995On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
  15. 15th March 1995Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
  16. 16th March 1995Explain why the solvent level in the container must be below the pencil baseline.
  17. 17th March 1995In the specific heat capacity practical, why is the block insulated?
  18. 18th March 1995Describe the current-potential difference graph for a filament lamp.
  19. 19th March 1995State the difference between irradiation and contamination.
  20. 20th March 1995State two factors that increase a driver's thinking distance.
  21. 21st March 1995Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
  22. 22nd March 1995State, in one sentence, what the Big Bang model proposes about the early universe.
  23. 23rd March 1995Name the process that moves substances against a concentration gradient.
  24. 24th March 1995Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
  25. 25th March 1995A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
  26. 26th March 1995A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
  27. 27th March 1995Why is the burette rinsed with the solution it is going to contain rather than with water?
  28. 28th March 1995State the relative mass and relative charge of a neutron.
  29. 29th March 1995Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
  30. 30th March 1995Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
  31. 31st March 1995Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.