Daily Practice · GCSE Science

May 1995 - GCSE Science 5-a-day

← Today's GCSE Science sheet

May 1995

31 sheets · 155 questions · GCSE

Every sheet in May 1995

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 1995How many atoms are there in 0.5 mol of helium?
  2. 2nd May 1995A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
  3. 3rd May 1995State the two named reactants used in the Haber process.
  4. 4th May 1995Describe the test, and the positive result, for ammonium ions.
  5. 5th May 1995Convert 3.5 kJ into joules.
  6. 6th May 1995A 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.
  7. 7th May 1995How is the temperature of a gas related to the motion of its molecules?
  8. 8th May 1995A 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.
  9. 9th May 1995An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
  10. 10th May 1995A 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.
  11. 11th May 1995How many pairs of chromosomes are there in a human body cell?
  12. 12th May 1995Where are most stomata found on a typical leaf, and why?
  13. 13th May 1995Name four limiting factors of photosynthesis.
  14. 14th May 1995Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
  15. 15th May 1995State what is meant by the term biodiversity.
  16. 16th May 1995Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
  17. 17th May 1995Give one use of nanoparticles and one associated risk.
  18. 18th May 1995Give the ionic equation for neutralisation.
  19. 19th May 1995State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
  20. 20th May 1995Name the two methods used to produce ethanol industrially.
  21. 21st May 1995Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
  22. 22nd May 1995State the equation for gravitational potential energy.
  23. 23rd May 1995Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
  24. 24th May 1995Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
  25. 25th May 1995State whether sound waves are transverse or longitudinal.
  26. 26th May 1995State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
  27. 27th May 1995A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
  28. 28th May 1995Explain what happens to an enzyme above its optimum temperature.
  29. 29th May 1995Name three non-specific defences of the human body.
  30. 30th May 1995State why a reflex action is described as involuntary.
  31. 31st May 1995A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.