Daily Practice · GCSE Science
March 2023 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2023, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2023
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2023Write the electronic structure of an atom with 12 electrons.
- 2nd March 2023State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 3rd March 2023Define the limiting reactant.
- 4th March 2023A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 5th March 2023In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 6th March 2023Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 7th March 2023Why should you write down the equation even if you cannot finish the calculation?
- 8th March 2023State the UK mains supply frequency and typical potential difference.
- 9th March 2023What causes the pressure of a gas on the walls of its container?
- 10th March 2023A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 11th March 2023A 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).
- 12th March 2023Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 13th March 2023Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 14th March 2023Why are xylem cells strengthened with lignin?
- 15th March 2023Why is glucose converted into starch for storage?
- 16th March 2023Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 17th March 2023State one way in which high biodiversity benefits an ecosystem.
- 18th March 2023Explain how painting an iron gate helps prevent it from rusting.
- 19th March 2023Why can an ionic solid not conduct electricity?
- 20th March 2023Name the salt made from zinc oxide and nitric acid.
- 21st March 2023State what is meant by a catalyst.
- 22nd March 2023State the functional group found in all alcohols.
- 23rd March 2023Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 24th March 2023Define specific heat capacity.
- 25th March 2023A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 26th March 2023State the number of protons and the number of neutrons in an alpha particle.
- 27th March 2023State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 28th March 2023State two factors that increase the size of the potential difference induced in a coil.
- 29th March 2023State one structure found in a bacterial cell but not in an animal cell.
- 30th March 2023Why does a food test for sugars need a water bath?
- 31st March 2023Explain what is meant by a double blind trial.