Daily Practice · GCSE Science
April 2008 - GCSE Science 5-a-day
Every GCSE Science sheet published in April 2008, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in April 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 2008A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 2nd April 2008State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 3rd April 2008What does 'concordant' mean when applied to titres?
- 4th April 2008What did the alpha scattering experiment show that the plum pudding model could not explain?
- 5th April 2008Magnesium is burned in an open crucible and the mass increases. Explain why.
- 6th April 2008In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 7th April 2008State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 8th April 2008Describe the result of the test for carbon dioxide.
- 9th April 2008Give one piece of evidence used to link human activity to recent climate change.
- 10th April 2008Give one advantage and one disadvantage of wind power.
- 11th April 2008Why does the temperature stay constant while a substance boils?
- 12th April 2008Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 13th April 2008A wave has a period of 0.005 s. Calculate its frequency.
- 14th April 2008State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 15th April 2008Where is the DNA found in a bacterial cell?
- 16th April 2008Name the substance in red blood cells that binds oxygen.
- 17th April 2008Name the gas that is released as a product of photosynthesis.
- 18th April 2008Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 19th April 2008In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
- 20th April 2008Explain why potable water is not required to be chemically pure.
- 21st April 2008Give the charge on an ion formed by a group 2 element.
- 22nd April 2008State the name given to a reaction in which a substance loses electrons.
- 23rd April 2008State one factor that affects the size of the voltage produced by a chemical cell.
- 24th April 2008State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 25th April 2008Give two processes that removed carbon dioxide from the early atmosphere.
- 26th April 2008Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 27th April 2008Why is the live wire dangerous even when a device is switched off?
- 28th April 2008Describe the plum pudding model.
- 29th April 2008Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
- 30th April 2008State the three factors needed for a current-carrying wire to experience a force due to the motor effect.