Daily Practice · GCSE Science
December 2021 - GCSE Science 5-a-day
Every GCSE Science sheet published in December 2021, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in December 2021
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 2021Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 2nd December 2021Explain why the solvent level in the container must be below the pencil baseline.
- 3rd December 2021In the specific heat capacity practical, why is the block insulated?
- 4th December 2021Describe the current-potential difference graph for a filament lamp.
- 5th December 2021State the difference between irradiation and contamination.
- 6th December 2021A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 7th December 2021State the difference between a permanent magnet and an induced magnet.
- 8th December 2021State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 9th December 2021Name the process that moves substances against a concentration gradient.
- 10th December 2021A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 11th December 2021State two things excess glucose can be converted into for storage in the human body.
- 12th December 2021Define homozygous.
- 13th December 2021Why is the burette rinsed with the solution it is going to contain rather than with water?
- 14th December 2021State the relative mass and relative charge of a neutron.
- 15th December 2021Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 16th December 2021Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 17th December 2021A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 18th December 2021Which reagent is added, and in what colour change, to test for chlorine gas?
- 19th December 2021Explain how solid carbon particulates released by combustion can cause global dimming.
- 20th December 2021A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 21st December 2021Define specific latent heat of fusion.
- 22nd December 2021A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 23rd December 2021State the difference between a transverse wave and a longitudinal wave.
- 24th December 2021Name the force that keeps the planets in orbit around the Sun.
- 25th December 2021Give the equation linking magnification, image size and real size.
- 26th December 2021Give one advantage and one disadvantage of a stent.
- 27th December 2021State three factors that can limit the rate of photosynthesis.
- 28th December 2021Explain why sweating cools the body down.
- 29th December 2021State what is meant by the term ecosystem.
- 30th December 2021Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 31st December 2021Describe metallic bonding.