Daily Practice · GCSE Science
September 2019 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2019, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2019
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2019State two reasons why a percentage yield is less than 100 percent.
- 2nd September 2019State what is meant by the activation energy of a reaction.
- 3rd September 2019Name the process used to separate crude oil into fractions.
- 4th September 2019Explain why the baseline is drawn in pencil rather than ink.
- 5th September 2019Give one reason for taking the gradient from the line of best fit rather than from two data points.
- 6th September 2019State the equation linking potential difference, current and resistance.
- 7th September 2019Define half-life.
- 8th September 2019State Newton's First Law of Motion.
- 9th September 2019Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 10th September 2019State what is meant by red-shift.
- 11th September 2019Define osmosis.
- 12th September 2019Name the vector that spreads the protist pathogen that causes malaria.
- 13th September 2019Explain why breathing rate and breathing depth both increase during exercise.
- 14th September 2019In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 15th September 2019A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 16th September 2019Why do isotopes of an element react in the same way?
- 17th September 2019Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 18th September 2019State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 19th September 2019Explain how a catalyst increases the rate of a reaction without being used up.
- 20th September 2019State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 21st September 2019State the two products of the complete combustion of a hydrocarbon fuel.
- 22nd September 2019State one way to increase the efficiency of a motor.
- 23rd September 2019Why is the density of a gas much lower than that of the same substance as a liquid?
- 24th September 2019A 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.
- 25th September 2019Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.
- 26th September 2019State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
- 27th September 2019Name two structures found in a plant cell but not in an animal cell.
- 28th September 2019Why is the wall of the left ventricle thicker than that of the right ventricle?
- 29th September 2019Name the organelle in a plant cell where photosynthesis takes place.
- 30th September 2019Explain why type 1 diabetes is treated with insulin injections rather than tablets.