Daily Practice · GCSE Science
January 2025 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2025, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2025
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2025A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 2nd January 2025Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 3rd January 2025Why do polymers have higher melting points than small molecules such as methane?
- 4th January 2025Complete: acid + metal carbonate gives ...
- 5th January 2025State the four factors that can increase the rate of a chemical reaction.
- 6th January 2025State the functional group found in all alcohols.
- 7th January 2025Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 8th January 2025By what factor does kinetic energy increase if speed is doubled?
- 9th January 2025Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 10th January 2025Define the term 'half-life' of a radioactive isotope.
- 11th January 2025State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 12th January 2025State two factors that increase the size of the potential difference induced in a coil.
- 13th January 2025A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 14th January 2025Describe the positive result of the Biuret test.
- 15th January 2025What is tested during preclinical testing?
- 16th January 2025Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 17th January 2025State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 18th January 2025State the two main steps used to produce potable water from a fresh water source.
- 19th January 2025State the charge on a calcium ion (Group 2).
- 20th January 2025Why do companies prefer reactions with a high atom economy?
- 21st January 2025On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 22nd January 2025Name the process used to separate crude oil into fractions.
- 23rd January 2025Explain why the solvent level in the container must be below the pencil baseline.
- 24th January 2025In the specific heat capacity practical, why is the block insulated?
- 25th January 2025Describe the current-potential difference graph for a filament lamp.
- 26th January 2025State the difference between irradiation and contamination.
- 27th January 2025State Newton's First Law of Motion.
- 28th January 2025Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 29th January 2025State what is meant by red-shift.
- 30th January 2025Name the process that moves substances against a concentration gradient.
- 31st January 2025Name the vector that spreads the protist pathogen that causes malaria.