Daily Practice · GCSE Science
June 2008 - GCSE Science 5-a-day
Every GCSE Science sheet published in June 2008, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in June 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 2008Explain why ultraviolet radiation can be harmful to human skin.
- 2nd June 2008State two ways of inducing a potential difference across a conductor using a magnetic field.
- 3rd June 2008State one structure found in a bacterial cell but not in an animal cell.
- 4th June 2008Where is bile made and where is it stored?
- 5th June 2008Why does a vaccinated person not usually become ill when they meet the pathogen?
- 6th June 2008A ruler is released and falls 20 cm before being caught. Using distance = 0.5 x g x time^2 with g = 9.8 m/s^2, calculate the reaction time, to 3 significant figures.
- 7th June 2008Name the equipment used to measure the abundance of a small plant species within a sample area.
- 8th June 2008Define a finite resource, giving one example.
- 9th June 2008State one reason why simple covalent substances such as chlorine have low melting points.
- 10th June 2008Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 11th June 2008State the energy transfer that occurs during an endothermic reaction.
- 12th June 2008Define the term 'hydrocarbon'.
- 13th June 2008A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 14th June 2008Why should a line of best fit be drawn rather than joining the plotted points?
- 15th June 2008In a parallel circuit, how do the branch currents relate to the total current?
- 16th June 2008State the approximate radius of an atom.
- 17th June 2008A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.
- 18th June 2008A student wraps a coil of insulated wire around an iron nail and connects it to a battery. Name the device this creates, and state one way to increase its magnetic field strength.
- 19th June 2008Explain why red-shift observations support the idea that the universe is expanding, rather than Earth simply being at the centre of the universe with everything moving away from it.
- 20th June 2008Give one adaptation of a root hair cell for absorbing mineral ions.
- 21st June 2008A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 22nd June 2008Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 23rd June 2008A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 24th June 2008Why is a polystyrene cup with a lid used in energy-change experiments?
- 25th June 2008Write the electronic structure of a magnesium atom (12 electrons).
- 26th June 2008A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 27th June 2008In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 28th June 2008Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 29th June 2008Name the gas that relights a glowing splint.
- 30th June 2008Name two gases that dissolve in atmospheric water droplets to cause acid rain.