Daily Practice · GCSE Science
July 2020 - GCSE Science 5-a-day
Every GCSE Science sheet published in July 2020, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in July 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st July 2020A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
- 2nd July 2020How many pairs of chromosomes are there in a human body cell?
- 3rd July 2020Where are most stomata found on a typical leaf, and why?
- 4th July 2020Name four limiting factors of photosynthesis.
- 5th July 2020Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 6th July 2020State what is meant by the term biodiversity.
- 7th July 2020Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 8th July 2020Give one use of nanoparticles and one associated risk.
- 9th July 2020Give the ionic equation for neutralisation.
- 10th July 2020State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 11th July 2020Name the two methods used to produce ethanol industrially.
- 12th July 2020Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 13th July 2020State the equation for gravitational potential energy.
- 14th July 2020A 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.
- 15th July 2020Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 16th July 2020State whether sound waves are transverse or longitudinal.
- 17th July 2020State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 18th July 2020State one structure found in a bacterial cell but not in an animal cell.
- 19th July 2020Explain what happens to an enzyme above its optimum temperature.
- 20th July 2020Name three non-specific defences of the human body.
- 21st July 2020State why a reflex action is described as involuntary.
- 22nd July 2020A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 23rd July 2020Define a finite resource, giving one example.
- 24th July 2020State one reason why simple covalent substances such as chlorine have low melting points.
- 25th July 2020Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 26th July 2020State the energy transfer that occurs during an exothermic reaction.
- 27th July 2020State what happens to the boiling point of hydrocarbons as their chain length increases.
- 28th July 2020In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 29th July 2020Define the resolution of a measuring instrument.
- 30th July 2020Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 31st July 2020Which type of radiation is stopped by a sheet of paper?