Daily Practice · GCSE Science
September 1992 5-a-day
Every sheet in September 1992
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1992A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 2nd September 1992Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 3rd September 1992Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 4th September 1992State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 5th September 1992Explain why graphite conducts electricity but diamond does not.
- 6th September 1992State what is observed when magnesium ribbon is added to copper sulfate solution.
- 7th September 1992State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 8th September 1992State the functional group found in all alcohols.
- 9th September 1992Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 10th September 1992Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 11th September 1992Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 12th September 1992Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 13th September 1992State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 14th September 1992State two factors that increase the size of the potential difference induced in a coil.
- 15th September 1992A 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).
- 16th September 1992Where is bile made and where is it stored?
- 17th September 1992Why does a vaccinated person not usually become ill when they meet the pathogen?
- 18th September 1992Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 19th September 1992State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 20th September 1992State the two main steps used to produce potable water from a fresh water source.
- 21st September 1992State the charge on a calcium ion (Group 2).
- 22nd September 1992Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 23rd September 1992State the energy transfer that occurs during an endothermic reaction.
- 24th September 1992Name the process used to separate crude oil into fractions.
- 25th September 1992A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 26th September 1992Why should a line of best fit be drawn rather than joining the plotted points?
- 27th September 1992In a parallel circuit, how do the branch currents relate to the total current?
- 28th September 1992State the approximate radius of an atom.
- 29th September 1992State Newton's First Law of Motion.
- 30th September 1992Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.