Daily Practice · GCSE Science
February 2018 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2018, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2018
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2018Define community, in ecological terms.
- 2nd February 2018Explain why potable water is not the same as pure water.
- 3rd February 2018Explain why sodium chloride conducts electricity when molten but not when solid.
- 4th February 2018State two reasons why a percentage yield is less than 100 percent.
- 5th February 2018State what is meant by the activation energy of a reaction.
- 6th February 2018Name the two industrial methods of cracking.
- 7th February 2018Explain why the baseline is drawn in pencil rather than ink.
- 8th February 2018Give one reason for taking the gradient from the line of best fit rather than from two data points.
- 9th February 2018State the equation linking potential difference, current and resistance.
- 10th February 2018Define half-life.
- 11th February 2018Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
- 12th February 2018State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
- 13th February 2018State what red-shift shows about the motion of most distant galaxies.
- 14th February 2018Define osmosis.
- 15th February 2018Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 16th February 2018State the word equation for aerobic respiration.
- 17th February 2018State one ethical concern raised by embryo screening.
- 18th February 2018A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 19th February 2018Why do isotopes of an element react in the same way?
- 20th February 2018Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 21st February 2018State the name given to the negative electrode in electrolysis.
- 22nd February 2018Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 23rd February 2018State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 24th February 2018State the two products of the complete combustion of a hydrocarbon fuel.
- 25th February 2018State one way to increase the efficiency of a motor.
- 26th February 2018Why is the density of a gas much lower than that of the same substance as a liquid?
- 27th February 2018A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 28th February 2018Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.