Daily Practice · GCSE Science
February 2020 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2020, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2020State the correct SI unit for density.
- 2nd February 2020State the number of protons and the number of neutrons in an alpha particle.
- 3rd February 2020State the speed at which all electromagnetic waves travel through a vacuum.
- 4th February 2020A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 5th February 2020Convert 0.02 mm into micrometres (um).
- 6th February 2020Why does a food test for sugars need a water bath?
- 7th February 2020Explain what is meant by a double blind trial.
- 8th February 2020Name the two parts of the central nervous system (CNS).
- 9th February 2020Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 10th February 2020State one benefit of recycling metal rather than extracting new metal from its ore.
- 11th February 2020Name the three types of strong chemical bonding.
- 12th February 2020Give the formula for atom economy.
- 13th February 2020Explain, in terms of the reaction pathway, why adding a catalyst increases the rate of a reaction without changing the overall energy change of the reaction.
- 14th February 2020Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 15th February 2020State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 16th February 2020How is the uncertainty in a set of repeated readings usually estimated?
- 17th February 2020Define electric current.
- 18th February 2020A source has a half-life of 5 days and an initial activity of 1600 Bq. What is its activity after 15 days?
- 19th February 2020A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 20th February 2020State the difference between a permanent magnet and an induced magnet.
- 21st February 2020State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 22nd February 2020Calculate the surface area to volume ratio of a cube of side 2 cm.
- 23rd February 2020State one way that pathogens can be spread from person to person.
- 24th February 2020State two things excess glucose can be converted into for storage in the human body.
- 25th February 2020Define homozygous.
- 26th February 2020Give the resolution of a burette that can be read to the nearest half of a small division.
- 27th February 2020Why is an atom electrically neutral?
- 28th February 2020State the law of conservation of mass.
- 29th February 2020Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.