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Daily Practice · GCSE Science

August 1994 - GCSE Science 5-a-day

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August 1994

31 sheets · 155 questions · GCSE

August 1994 compilationAll answers

Every sheet in August 1994

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 1994Why is the density of a gas much lower than that of the same substance as a liquid?
  2. 2nd August 1994State whether friction is a contact force or a non-contact force.
  3. 3rd August 1994Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.
  4. 4th August 1994State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
  5. 5th August 1994Name two structures found in a plant cell but not in an animal cell.
  6. 6th August 1994Why is the wall of the left ventricle thicker than that of the right ventricle?
  7. 7th August 1994Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
  8. 8th August 1994Explain why type 1 diabetes is treated with insulin injections rather than tablets.
  9. 9th August 1994State one abiotic factor that can affect the population of fish living in a pond.
  10. 10th August 1994Give one reason distillation of seawater requires a large energy input.
  11. 11th August 1994What type of bonding is present in a compound formed between a metal and a non-metal?
  12. 12th August 1994A 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.
  13. 13th August 1994State the two substances that react inside a hydrogen fuel cell.
  14. 14th August 1994Name the alkene with the molecular formula C4H8.
  15. 15th August 1994Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  16. 16th August 1994Name the energy store associated with a moving car.
  17. 17th August 1994State the potential difference and frequency of the UK mains supply.
  18. 18th August 1994What did Bohr add to the nuclear model?
  19. 19th August 1994A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
  20. 20th August 1994State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
  21. 21st August 1994Why must the same volume of solution be used in every tube in an enzyme investigation?
  22. 22nd August 1994State the type of large biological molecule that all enzymes are made from.
  23. 23rd August 1994Describe the symptoms of rose black spot and its effect on the plant.
  24. 24th August 1994Name the hormone released when blood glucose concentration is too high, and state its overall effect.
  25. 25th August 1994Define mutation.
  26. 26th August 1994A 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.
  27. 27th August 1994Why did Mendeleev leave gaps in his table?
  28. 28th August 1994Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  29. 29th August 1994Using the values in the previous question, calculate the overall energy change for the reaction.
  30. 30th August 1994The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
  31. 31st August 1994State the flame test colour for sodium ions.