Daily Practice · GCSE Science
December 2016 - GCSE Science 5-a-day
Every GCSE Science sheet published in December 2016, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in December 2016
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 2016Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 2nd December 2016State one way in which high biodiversity benefits an ecosystem.
- 3rd December 2016Explain how painting an iron gate helps prevent it from rusting.
- 4th December 2016Why can an ionic solid not conduct electricity?
- 5th December 2016Name the salt made from zinc oxide and nitric acid.
- 6th December 2016State what is meant by a catalyst.
- 7th December 2016Name the two methods used to produce ethanol industrially.
- 8th December 2016Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 9th December 2016Define specific heat capacity.
- 10th December 2016Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 11th December 2016State the number of protons and the number of neutrons in an alpha particle.
- 12th December 2016State whether sound waves are transverse or longitudinal.
- 13th December 2016State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 14th December 2016A 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).
- 15th December 2016Why does a food test for sugars need a water bath?
- 16th December 2016Explain what is meant by a double blind trial.
- 17th December 2016State why a reflex action is described as involuntary.
- 18th December 2016A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 19th December 2016State the two main steps used to produce potable water from a fresh water source.
- 20th December 2016State the charge on a calcium ion (Group 2).
- 21st December 2016Give the formula for atom economy.
- 22nd December 2016Explain, 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.
- 23rd December 2016State what happens to the boiling point of hydrocarbons as their chain length increases.
- 24th December 2016State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 25th December 2016How is the uncertainty in a set of repeated readings usually estimated?
- 26th December 2016Define electric current.
- 27th December 2016A source has a half-life of 5 days and an initial activity of 1600 Bq. What is its activity after 15 days?
- 28th December 2016A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 29th December 2016Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 30th December 2016State how the amount of red-shift is related to a galaxy's distance from Earth.
- 31st December 2016Calculate the surface area to volume ratio of a cube of side 2 cm.