Daily Practice · GCSE Science
May 2008 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2008, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2008Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 2nd May 2008Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 3rd May 2008Define a communicable disease.
- 4th May 2008A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 5th May 2008Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 6th May 2008Write the electronic structure of an atom with 12 electrons.
- 7th May 2008Explain why potassium is more reactive than sodium.
- 8th May 2008Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 9th May 2008A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 10th May 2008State what is meant by dynamic equilibrium.
- 11th May 2008A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 12th May 2008A device transfers 4500 J in 90 s. Calculate its power.
- 13th May 2008State the UK mains supply frequency and typical potential difference.
- 14th May 2008Why does a bicycle pump get warm when used?
- 15th May 2008A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 16th May 2008State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 17th May 2008State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 18th May 2008What happens to the DNA before mitosis begins?
- 19th May 2008State two conditions that increase the rate of transpiration.
- 20th May 2008A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 21st May 2008Define the term allele.
- 22nd May 2008Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 23rd May 2008State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 24th May 2008Explain why graphite conducts electricity but diamond does not.
- 25th May 2008State what is observed when magnesium ribbon is added to copper sulfate solution.
- 26th May 2008State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 27th May 2008Explain why carboxylic acids are described as 'weak acids'.
- 28th May 2008Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 29th May 2008Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 30th May 2008A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 31st May 2008Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.