Daily Practice · GCSE Science
October 2018 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2018, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2018
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2018Convert 0.02 mm into micrometres (um).
- 2nd October 2018Describe the positive result of the Biuret test.
- 3rd October 2018What is tested during preclinical testing?
- 4th October 2018State why a reflex action is described as involuntary.
- 5th October 2018A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 6th October 2018State one benefit of recycling metal rather than extracting new metal from its ore.
- 7th October 2018Name the three types of strong chemical bonding.
- 8th October 2018Why do companies prefer reactions with a high atom economy?
- 9th October 2018On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 10th October 2018State what happens to the boiling point of hydrocarbons as their chain length increases.
- 11th October 2018Explain why the solvent level in the container must be below the pencil baseline.
- 12th October 2018In the specific heat capacity practical, why is the block insulated?
- 13th October 2018Describe the current-potential difference graph for a filament lamp.
- 14th October 2018State the difference between irradiation and contamination.
- 15th October 2018A 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.
- 16th October 2018Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 17th October 2018State how the amount of red-shift is related to a galaxy's distance from Earth.
- 18th October 2018Name the process that moves substances against a concentration gradient.
- 19th October 2018State one way that pathogens can be spread from person to person.
- 20th October 2018State the word equation for anaerobic respiration in human muscle cells.
- 21st October 2018State whether cystic fibrosis is caused by a dominant or a recessive allele.
- 22nd October 2018Why is the burette rinsed with the solution it is going to contain rather than with water?
- 23rd October 2018State the relative mass and relative charge of a neutron.
- 24th October 2018Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 25th October 2018Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 26th October 2018In the disappearing cross required practical, state the dependent variable that is measured.
- 27th October 2018Which reagent is added, and in what colour change, to test for chlorine gas?
- 28th October 2018Explain how solid carbon particulates released by combustion can cause global dimming.
- 29th October 2018A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 30th October 2018Define specific latent heat of fusion.
- 31st October 2018State whether friction is a contact force or a non-contact force.