Daily Practice · GCSE Science
December 1996 - GCSE Science 5-a-day
Every sheet in December 1996
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1996How is the temperature of a gas related to the motion of its molecules?
- 2nd December 1996A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.
- 3rd December 1996Name the type of electromagnetic wave used by a television remote control.
- 4th December 1996Explain why a satellite moving in a stable circular orbit has a changing velocity even though its speed stays constant.
- 5th December 1996How many pairs of chromosomes are there in a human body cell?
- 6th December 1996Where are most stomata found on a typical leaf, and why?
- 7th December 1996Name four limiting factors of photosynthesis.
- 8th December 1996Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
- 9th December 1996State what is meant by the term biodiversity.
- 10th December 1996Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 11th December 1996Give one use of nanoparticles and one associated risk.
- 12th December 1996Give the ionic equation for neutralisation.
- 13th December 1996State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 14th December 1996Name the carboxylic acid produced when ethanol is oxidised.
- 15th December 1996Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
- 16th December 1996State the equation for gravitational potential energy.
- 17th December 1996A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
- 18th December 1996Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 19th December 1996Define the term 'wavelength' of a wave.
- 20th December 1996State the difference between an alternator and a dynamo.
- 21st December 1996A cube-shaped model cell has sides of length 3 cm. Calculate the surface area to volume ratio of the cube. Give your answer in the form n : 1.
- 22nd December 1996Explain what happens to an enzyme above its optimum temperature.
- 23rd December 1996Name three non-specific defences of the human body.
- 24th December 1996State the type of effector that produces a physical response by contracting.
- 25th December 1996Give one example of a biotic factor that could affect a population of rabbits.
- 26th December 1996Name the four stages usually considered in a life cycle assessment of a product.
- 27th December 1996A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
- 28th December 1996Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 29th December 1996State the energy transfer that occurs during an exothermic reaction.
- 30th December 1996Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 31st December 1996In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.