Daily Practice · GCSE Science
October 2023 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2023, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2023
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2023Define an isotope.
- 2nd October 2023A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 3rd October 2023Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 4th October 2023A 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.
- 5th October 2023State the difference between a pure substance and a formulation.
- 6th October 2023Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 7th October 2023Name three renewable energy resources.
- 8th October 2023State the equation for density.
- 9th October 2023A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 10th October 2023State the difference between a transverse wave and a longitudinal wave.
- 11th October 2023Name the force that keeps the planets in orbit around the Sun.
- 12th October 2023Why is a stain such as iodine used when preparing a slide?
- 13th October 2023Give two adaptations of a red blood cell.
- 14th October 2023Name the organelle in a plant cell where photosynthesis takes place.
- 15th October 2023Explain why sweating cools the body down.
- 16th October 2023Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 17th October 2023Name one method used to sterilise fresh water during the production of potable water.
- 18th October 2023Define a covalent bond.
- 19th October 2023Write the word equation for the reaction between zinc and hydrochloric acid.
- 20th October 2023State the difference between a rechargeable cell and a non-rechargeable cell.
- 21st October 2023Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 22nd October 2023State the approximate percentage of nitrogen in today's atmosphere.
- 23rd October 2023A spring is compressed. Which energy store increases?
- 24th October 2023Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 25th October 2023State the approximate radius of a nucleus compared with the radius of an atom.
- 26th October 2023A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 27th October 2023A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.
- 28th October 2023State the difference between resolution and accuracy.
- 29th October 2023Name the organ system responsible for breaking food down into small, soluble molecules.
- 30th October 2023How do bacteria make a person feel ill?
- 31st October 2023Define homeostasis.