Daily Practice · GCSE Science
February 2002 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2002, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2002
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2002State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 2nd February 2002State two uses of artificial satellites.
- 3rd February 2002What happens to the DNA before mitosis begins?
- 4th February 2002State two conditions that increase the rate of transpiration.
- 5th February 2002A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 6th February 2002State one difference between selective breeding and genetic engineering.
- 7th February 2002Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 8th February 2002State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 9th February 2002Explain why graphite conducts electricity but diamond does not.
- 10th February 2002State what is observed when magnesium ribbon is added to copper sulfate solution.
- 11th February 2002State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 12th February 2002State the functional group found in all carboxylic acids.
- 13th February 2002Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 14th February 2002Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 15th February 2002Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 16th February 2002Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 17th February 2002State the speed at which all electromagnetic waves travel through a vacuum.
- 18th February 2002A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 19th February 2002A 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).
- 20th February 2002Where is bile made and where is it stored?
- 21st February 2002Why does a vaccinated person not usually become ill when they meet the pathogen?
- 22nd February 2002Name the two parts of the central nervous system (CNS).
- 23rd February 2002Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 24th February 2002State the two main steps used to produce potable water from a fresh water source.
- 25th February 2002State the charge on a calcium ion (Group 2).
- 26th February 2002Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 27th February 2002State the energy transfer that occurs during an endothermic reaction.
- 28th February 2002Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.