Daily Practice · GCSE Science
April 1994 - GCSE Science 5-a-day
Every sheet in April 1994
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1994State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 2nd April 1994Explain why graphite conducts electricity but diamond does not.
- 3rd April 1994State what is observed when magnesium ribbon is added to copper sulfate solution.
- 4th April 1994State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 5th April 1994Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 6th April 1994Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
- 7th April 1994Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 8th April 1994A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
- 9th April 1994Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 10th April 1994A radio wave has a wavelength of 3 m. Calculate its frequency, given that all electromagnetic waves travel at 3 x 10^8 m/s in a vacuum.
- 11th April 1994Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 12th April 1994A 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.
- 13th April 1994Where is bile made and where is it stored?
- 14th April 1994Why does a vaccinated person not usually become ill when they meet the pathogen?
- 15th April 1994Name the chemical released at a synapse that carries the signal across the gap.
- 16th April 1994Explain why deforestation to create land for cattle grazing can reduce biodiversity.
- 17th April 1994Name the four stages usually considered in a life cycle assessment of a product.
- 18th April 1994A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
- 19th April 1994Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 20th April 1994State the energy transfer that occurs during an endothermic reaction.
- 21st April 1994State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 22nd April 1994A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 23rd April 1994Why should a line of best fit be drawn rather than joining the plotted points?
- 24th April 1994In a parallel circuit, how do the branch currents relate to the total current?
- 25th April 1994State the approximate radius of an atom.
- 26th April 1994Explain why a larger vehicle mass increases braking distance.
- 27th April 1994State the type of force that always acts between an induced magnet and the magnet that induced it.
- 28th April 1994Name the model of the origin of the universe that is supported by red-shift observations.
- 29th April 1994Give one adaptation of a root hair cell for absorbing mineral ions.
- 30th April 1994Which type of pathogen causes athlete's foot, a fungal skin infection?