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Daily Practice · GCSE Science

July 1986 5-a-day

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July 1986

31 sheets · 155 questions · GCSE

July 1986 compilationAll answers

Every sheet in July 1986

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

  1. 1st July 1986Define power and give its unit.
  2. 2nd July 1986Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
  3. 3rd July 1986State whether friction is a contact force or a non-contact force.
  4. 4th July 1986A water wave has a wavelength of 0.4 m and a frequency of 2.5 Hz. Calculate its speed.
  5. 5th July 1986Explain how elements heavier than iron, such as gold, are created and distributed through the universe.
  6. 6th July 1986Give one advantage of a light microscope over an electron microscope.
  7. 7th July 1986Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
  8. 8th July 1986Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
  9. 9th July 1986State the type of diabetes in which the pancreas produces little or no insulin.
  10. 10th July 1986Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
  11. 11th July 1986Give one reason distillation of seawater requires a large energy input.
  12. 12th July 1986Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
  13. 13th July 1986A 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.
  14. 14th July 1986State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
  15. 15th July 1986Describe the colour change seen when an alkene is shaken with bromine water.
  16. 16th July 1986Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  17. 17th July 1986Name the energy store associated with a moving car.
  18. 18th July 1986Give the colour and function of the earth wire.
  19. 19th July 1986What observation showed the nucleus is positively charged and very small?
  20. 20th July 1986State the name of the upward force acting on an object placed in a fluid.
  21. 21st July 1986A 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.
  22. 22nd July 1986A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
  23. 23rd July 1986State the type of large biological molecule that all enzymes are made from.
  24. 24th July 1986Give one way of reducing the spread of malaria.
  25. 25th July 1986State one difference between nervous and hormonal coordination.
  26. 26th July 1986State what is meant by a selection pressure.
  27. 27th July 1986A 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.
  28. 28th July 1986Why do elements in the same group have similar chemical properties?
  29. 29th July 1986Why is the amount of product directly proportional to the amount of limiting reactant?
  30. 30th July 1986Using the values in the previous question, calculate the overall energy change for the reaction.
  31. 31st July 1986State Le Chatelier's principle in your own words.