Daily Practice · GCSE Science
October 2019 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2019, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2019
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2019State one abiotic factor that can affect the population of fish living in a pond.
- 2nd October 2019Name one method used to sterilise fresh water during the production of potable water.
- 3rd October 2019What type of bonding is present in a compound formed between a metal and a non-metal?
- 4th October 2019Write the word equation for the reaction between zinc and hydrochloric acid.
- 5th October 2019State the two substances that react inside a hydrogen fuel cell.
- 6th October 2019Name the alkene with the molecular formula C4H8.
- 7th October 2019State the approximate percentage of nitrogen in today's atmosphere.
- 8th October 2019A spring is compressed. Which energy store increases?
- 9th October 2019State the potential difference and frequency of the UK mains supply.
- 10th October 2019What did Bohr add to the nuclear model?
- 11th October 2019A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 12th October 2019State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 13th October 2019Why must the same volume of solution be used in every tube in an enzyme investigation?
- 14th October 2019Name the organ system responsible for breaking food down into small, soluble molecules.
- 15th October 2019Describe the symptoms of rose black spot and its effect on the plant.
- 16th October 2019Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 17th October 2019Define mutation.
- 18th October 2019An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 19th October 2019Why did Mendeleev leave gaps in his table?
- 20th October 2019Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
- 21st October 2019Give one everyday example of an endothermic process.
- 22nd October 2019The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
- 23rd October 2019State the flame test colour for sodium ions.
- 24th October 2019Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
- 25th October 2019A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 26th October 2019A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
- 27th October 2019State what the gradient of a distance-time graph represents.
- 28th October 2019Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
- 29th October 2019Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 30th October 2019State three functions of mitosis.
- 31st October 2019What happens to guard cells when a plant is short of water?