Daily Practice · GCSE Science
May 2015 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2015, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2015
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2015On a velocity-time graph, what does the area between the line and the time axis represent?
- 2nd May 2015State the speed of all electromagnetic waves travelling through a vacuum.
- 3rd May 2015State the name of the force that keeps a satellite in orbit around the Earth.
- 4th May 2015Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 5th May 2015Why are xylem cells strengthened with lignin?
- 6th May 2015Why is glucose converted into starch for storage?
- 7th May 2015A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.
- 8th May 2015State one way in which high biodiversity benefits an ecosystem.
- 9th May 2015Explain how painting an iron gate helps prevent it from rusting.
- 10th May 2015Why can an ionic solid not conduct electricity?
- 11th May 2015Name the salt made from zinc oxide and nitric acid.
- 12th May 2015State what is meant by a catalyst.
- 13th May 2015Name the small molecule typically released as a by-product during condensation polymerisation.
- 14th May 2015Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 15th May 2015Define specific heat capacity.
- 16th May 2015State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 17th May 2015State the number of protons and the number of neutrons in an alpha particle.
- 18th May 2015A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 19th May 2015A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 20th May 2015A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 21st May 2015Why does a food test for sugars need a water bath?
- 22nd May 2015Explain what is meant by a double blind trial.
- 23rd May 2015Define a synapse.
- 24th May 2015Give one example of an abiotic factor that could affect where a plant species grows.
- 25th May 2015Explain why potable water is not the same as pure water.
- 26th May 2015Explain why sodium chloride conducts electricity when molten but not when solid.
- 27th May 2015Give the formula for atom economy.
- 28th May 2015Explain, in terms of the reaction pathway, why adding a catalyst increases the rate of a reaction without changing the overall energy change of the reaction.
- 29th May 2015State the general formula of the alkanes.
- 30th May 2015State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 31st May 2015How is the uncertainty in a set of repeated readings usually estimated?