Daily Practice · GCSE Science
May 2020 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2020, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2020Give one example of a biotic factor that could affect a population of rabbits.
- 2nd May 2020Name two methods of desalinating seawater.
- 3rd May 2020Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 4th May 2020Why do companies prefer reactions with a high atom economy?
- 5th May 2020On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 6th May 2020Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 7th May 2020Explain why the solvent level in the container must be below the pencil baseline.
- 8th May 2020In the specific heat capacity practical, why is the block insulated?
- 9th May 2020Describe the current-potential difference graph for a filament lamp.
- 10th May 2020State the difference between irradiation and contamination.
- 11th May 2020State two factors that increase a driver's thinking distance.
- 12th May 2020Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 13th May 2020State, in one sentence, what the Big Bang model proposes about the early universe.
- 14th May 2020Name the process that moves substances against a concentration gradient.
- 15th May 2020Describe how phagocytes destroy pathogens in the body.
- 16th May 2020A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 17th May 2020A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
- 18th May 2020Why is the burette rinsed with the solution it is going to contain rather than with water?
- 19th May 2020State the relative mass and relative charge of a neutron.
- 20th May 2020Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 21st May 2020Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 22nd May 2020Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 23rd May 2020Which reagent is added, and in what colour change, to test for chlorine gas?
- 24th May 2020Explain how solid carbon particulates released by combustion can cause global dimming.
- 25th May 2020A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 26th May 2020Define specific latent heat of fusion.
- 27th May 2020Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 28th May 2020Sound waves travel through a steel rail at approximately 5900 m/s. A sound wave sent along the rail has a frequency of 2950 Hz. Calculate its wavelength.
- 29th May 2020State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 30th May 2020Give the equation linking magnification, image size and real size.
- 31st May 2020Give one advantage and one disadvantage of a stent.