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Daily Practice · GCSE Science

March 2005 - GCSE Science 5-a-day

Every GCSE Science sheet published in March 2005, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

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March 2005

31 sheets · 155 questions · GCSE

March 2005 compilationAll answers

Every sheet in March 2005

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 2005State the pH value of a neutral solution.
  2. 2nd March 2005State one factor that affects the size of the voltage produced by a chemical cell.
  3. 3rd March 2005State the general formula of the alkenes.
  4. 4th March 2005Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
  5. 5th March 2005A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
  6. 6th March 2005Why is the live wire dangerous even when a device is switched off?
  7. 7th March 2005Describe the plum pudding model.
  8. 8th March 2005A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
  9. 9th March 2005Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
  10. 10th March 2005Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
  11. 11th March 2005An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
  12. 12th March 2005Define a communicable disease.
  13. 13th March 2005Name the three parts common to every homeostatic control system.
  14. 14th March 2005State one advantage and one disadvantage of selective breeding in farm animals.
  15. 15th March 2005An atom has atomic number 11 and mass number 23. State the number of protons.
  16. 16th March 2005Explain why potassium is more reactive than sodium.
  17. 17th March 2005Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
  18. 18th March 2005State whether the combustion of methane is exothermic or endothermic.
  19. 19th March 2005In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
  20. 20th March 2005A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
  21. 21st March 2005A device transfers 4500 J in 90 s. Calculate its power.
  22. 22nd March 2005Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
  23. 23rd March 2005Why does a bicycle pump get warm when used?
  24. 24th March 2005A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
  25. 25th March 2005A 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).
  26. 26th March 2005Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
  27. 27th March 2005What happens to the DNA before mitosis begins?
  28. 28th March 2005State two conditions that increase the rate of transpiration.
  29. 29th March 2005A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
  30. 30th March 2005Name the three-domain system of classification, and name the scientist most associated with proposing it.
  31. 31st March 2005Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.