Daily Practice · GCSE Science
May 1984 5-a-day
Every sheet in May 1984
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1984Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 2nd May 1984In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 3rd May 1984Describe the test, and the positive result, for ammonium ions.
- 4th May 1984Convert 3.5 kJ into joules.
- 5th May 1984In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 6th May 1984How is the temperature of a gas related to the motion of its molecules?
- 7th May 1984A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.
- 8th May 1984Name the type of electromagnetic wave used by a television remote control.
- 9th May 1984Explain why a satellite moving in a stable circular orbit has a changing velocity even though its speed stays constant.
- 10th May 1984How many pairs of chromosomes are there in a human body cell?
- 11th May 1984Where are most stomata found on a typical leaf, and why?
- 12th May 1984Name four limiting factors of photosynthesis.
- 13th May 1984Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
- 14th May 1984State what is meant by the term biodiversity.
- 15th May 1984Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 16th May 1984Give one use of nanoparticles and one associated risk.
- 17th May 1984Give the ionic equation for neutralisation.
- 18th May 1984State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 19th May 1984Name the carboxylic acid produced when ethanol is oxidised.
- 20th May 1984Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 21st May 1984State the equation for gravitational potential energy.
- 22nd May 1984State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 23rd May 1984Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 24th May 1984Define the term 'wavelength' of a wave.
- 25th May 1984State the difference between an alternator and a dynamo.
- 26th May 1984A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 27th May 1984Explain what happens to an enzyme above its optimum temperature.
- 28th May 1984Name three non-specific defences of the human body.
- 29th May 1984State the type of effector that produces a physical response by contracting.
- 30th May 1984Give one example of a biotic factor that could affect a population of rabbits.
- 31st May 1984Explain why potable water is not the same as pure water.