Daily Practice · GCSE Science
June 2023 - GCSE Science 5-a-day
Every GCSE Science sheet published in June 2023, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in June 2023
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 2023Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
- 2nd June 2023Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 3rd June 2023Define an undifferentiated cell.
- 4th June 2023Which tissue transports water and mineral ions from the roots?
- 5th June 2023Give three uses of the glucose produced in photosynthesis.
- 6th June 2023In pea plants, the allele for tall stems (T) is dominant over the allele for short stems (t). A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). State the genotype and phenotype of all the offspring.
- 7th June 2023A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 8th June 2023Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 9th June 2023Why do polymers have higher melting points than small molecules such as methane?
- 10th June 2023Complete: acid + metal carbonate gives ...
- 11th June 2023State the four factors that can increase the rate of a chemical reaction.
- 12th June 2023State what happens to the carbon-to-carbon double bond of an alkene monomer during addition polymerisation.
- 13th June 2023Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 14th June 2023By what factor does kinetic energy increase if speed is doubled?
- 15th June 2023State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 16th June 2023Define the term 'half-life' of a radioactive isotope.
- 17th June 2023Name the type of electromagnetic wave used to sterilise medical equipment.
- 18th June 2023A transformer has a primary current of 2.0 A and a primary voltage of 230 V. The secondary voltage is 460 V. Assuming the transformer is 100 percent efficient, calculate the secondary current.
- 19th June 2023A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 20th June 2023Describe the positive result of the Biuret test.
- 21st June 2023What is tested during preclinical testing?
- 22nd June 2023Explain why reflex responses are faster than voluntary responses.
- 23rd June 2023Define community, in ecological terms.
- 24th June 2023Explain why potable water is not the same as pure water.
- 25th June 2023Explain why sodium chloride conducts electricity when molten but not when solid.
- 26th June 2023Why do companies prefer reactions with a high atom economy?
- 27th June 2023On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 28th June 2023Name the two industrial methods of cracking.
- 29th June 2023Explain why the solvent level in the container must be below the pencil baseline.
- 30th June 2023In the specific heat capacity practical, why is the block insulated?