Revision Library
/Subjects/Science/Daily Practice
Daily Practice · GCSE Science

May 1968 5-a-day

← Today's GCSE Science sheet

May 1968

31 sheets · 155 questions · GCSE

May 1968 compilationAll answers

Every sheet in May 1968

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

  1. 1st May 1968A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
  2. 2nd May 1968Name the gland often called the body's master gland.
  3. 3rd May 1968The Arctic fox has small, rounded ears compared with the desert fennec fox, which has very large ears. State whether this is a structural, behavioural or functional adaptation, and explain how it helps the Arctic fox survive.
  4. 4th May 1968Classify crude oil as finite or renewable, and justify your answer.
  5. 5th May 1968Write the formula of calcium chloride and explain the ratio.
  6. 6th May 1968Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
  7. 7th May 1968Hydrogen reacts with chlorine to form hydrogen chloride: H2 + Cl2 -> 2HCl. Use the bond energies given to calculate the overall energy change for this reaction. Bond energies: H-H = 436 kJ/mol, Cl-Cl = 243 kJ/mol, H-Cl = 432 kJ/mol.
  8. 8th May 1968State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
  9. 9th May 1968Give two human activities that increase the amount of greenhouse gases in the atmosphere.
  10. 10th May 1968A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
  11. 11th May 1968Give the equation linking energy transferred, charge flow and potential difference.
  12. 12th May 1968Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
  13. 13th May 1968State the equation that links pressure, force and area.
  14. 14th May 1968In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
  15. 15th May 1968Why does taking repeat readings and calculating a mean improve the data?
  16. 16th May 1968State two ways that bile aids the digestion of fats.
  17. 17th May 1968State two ways measles is prevented from spreading.
  18. 18th May 1968Name the gland that monitors and controls blood glucose concentration.
  19. 19th May 1968Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
  20. 20th May 1968State the relative charge of a neutron.
  21. 21st May 1968Give two observations when lithium is added to water.
  22. 22nd May 1968State the value of the Avogadro constant and what it counts.
  23. 23rd May 1968A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
  24. 24th May 1968State the two named reactants used in the Haber process.
  25. 25th May 1968Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
  26. 26th May 1968Write the equation linking power, energy and time, and rearrange it for time.
  27. 27th May 1968A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
  28. 28th May 1968A gas is heated in a sealed rigid container. Explain what happens to the pressure.
  29. 29th May 1968A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
  30. 30th May 1968An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
  31. 31st May 1968A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.