Daily Practice · GCSE Science
October 2017 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2017, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2017
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2017Why is the live wire dangerous even when a device is switched off?
- 2nd October 2017Describe the plum pudding model.
- 3rd October 2017A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 4th October 2017Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 5th October 2017Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 6th October 2017Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 7th October 2017Define a communicable disease.
- 8th October 2017Name the three parts common to every homeostatic control system.
- 9th October 2017State one advantage and one disadvantage of selective breeding in farm animals.
- 10th October 2017Write the electronic structure of an atom with 12 electrons.
- 11th October 2017Explain why potassium is more reactive than sodium.
- 12th October 2017Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 13th October 2017A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 14th October 2017In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 15th October 2017A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 16th October 2017A device transfers 4500 J in 90 s. Calculate its power.
- 17th October 2017State the UK mains supply frequency and typical potential difference.
- 18th October 2017Why does a bicycle pump get warm when used?
- 19th October 2017A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 20th October 2017A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
- 21st October 2017Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 22nd October 2017What happens to the DNA before mitosis begins?
- 23rd October 2017State two conditions that increase the rate of transpiration.
- 24th October 2017A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 25th October 2017Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 26th October 2017Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 27th October 2017State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 28th October 2017Explain why graphite conducts electricity but diamond does not.
- 29th October 2017State what is observed when magnesium ribbon is added to copper sulfate solution.
- 30th October 2017State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 31st October 2017State the functional group found in all alcohols.