Daily Practice · GCSE Science
April 2019 - GCSE Science 5-a-day
Every GCSE Science sheet published in April 2019, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in April 2019
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 2019A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 2nd April 2019Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 3rd April 2019A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 4th April 2019What does 'concordant' mean when applied to titres?
- 5th April 2019What did the alpha scattering experiment show that the plum pudding model could not explain?
- 6th April 2019Magnesium is burned in an open crucible and the mass increases. Explain why.
- 7th April 2019In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 8th April 2019Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 9th April 2019Describe the result of the test for carbon dioxide.
- 10th April 2019Give one piece of evidence used to link human activity to recent climate change.
- 11th April 2019Give one advantage and one disadvantage of wind power.
- 12th April 2019Why does the temperature stay constant while a substance boils?
- 13th April 2019A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 14th April 2019A wave has a frequency of 50 Hz. Calculate its period.
- 15th April 2019Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 16th April 2019Where is the DNA found in a bacterial cell?
- 17th April 2019Name the substance in red blood cells that binds oxygen.
- 18th April 2019State three factors that can limit the rate of photosynthesis.
- 19th April 2019State one risk factor linked to type 2 diabetes.
- 20th April 2019In 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.
- 21st April 2019Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 22nd April 2019Give the charge on an ion formed by a group 2 element.
- 23rd April 2019Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 24th April 2019State one factor that affects the size of the voltage produced by a chemical cell.
- 25th April 2019Define the term 'homologous series'.
- 26th April 2019Name three greenhouse gases.
- 27th April 2019A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 28th April 2019Why is the live wire dangerous even when a device is switched off?
- 29th April 2019Describe the plum pudding model.
- 30th April 2019Write down the equation that links moment, force and distance.