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Daily Practice · GCSE Science

August 1959 5-a-day

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August 1959

31 sheets · 155 questions · GCSE

August 1959 compilationAll answers

Every sheet in August 1959

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

  1. 1st August 1959In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
  2. 2nd August 1959Give one reason distillation of seawater requires a large energy input.
  3. 3rd August 1959Give the charge on an ion formed by a group 2 element.
  4. 4th August 1959A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
  5. 5th August 1959State one factor that affects the size of the voltage produced by a chemical cell.
  6. 6th August 1959Describe the colour change seen when an alkene is shaken with bromine water.
  7. 7th August 1959Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  8. 8th August 1959Name the energy store associated with a moving car.
  9. 9th August 1959Why is the live wire dangerous even when a device is switched off?
  10. 10th August 1959Describe the plum pudding model.
  11. 11th August 1959State the name of the upward force acting on an object placed in a fluid.
  12. 12th August 1959A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
  13. 13th August 1959Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
  14. 14th August 1959State the type of large biological molecule that all enzymes are made from.
  15. 15th August 1959Define a communicable disease.
  16. 16th August 1959State one difference between nervous and hormonal coordination.
  17. 17th August 1959State what is meant by a selection pressure.
  18. 18th August 1959A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
  19. 19th August 1959Explain why potassium is more reactive than sodium.
  20. 20th August 1959Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
  21. 21st August 1959Using the values in the previous question, calculate the overall energy change for the reaction.
  22. 22nd August 1959State Le Chatelier's principle in your own words.
  23. 23rd August 1959A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
  24. 24th August 1959A device transfers 4500 J in 90 s. Calculate its power.
  25. 25th August 1959A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
  26. 26th August 1959Why does a bicycle pump get warm when used?
  27. 27th August 1959On a velocity-time graph, what does the area between the line and the time axis represent?
  28. 28th August 1959State the speed of all electromagnetic waves travelling through a vacuum.
  29. 29th August 1959State the name of the force that keeps a satellite in orbit around the Earth.
  30. 30th August 1959What happens to the DNA before mitosis begins?
  31. 31st August 1959State two conditions that increase the rate of transpiration.