Daily Practice · GCSE Science
May 1982 5-a-day
Every sheet in May 1982
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1982State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 2nd May 1982State two uses of artificial satellites.
- 3rd May 1982Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 4th May 1982Why are xylem cells strengthened with lignin?
- 5th May 1982Why is glucose converted into starch for storage?
- 6th May 1982State one difference between selective breeding and genetic engineering.
- 7th May 1982State one way in which high biodiversity benefits an ecosystem.
- 8th May 1982Explain how painting an iron gate helps prevent it from rusting.
- 9th May 1982Why can an ionic solid not conduct electricity?
- 10th May 1982Name the salt made from zinc oxide and nitric acid.
- 11th May 1982State what is meant by a catalyst.
- 12th May 1982State the functional group found in all carboxylic acids.
- 13th May 1982Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 14th May 1982Define specific heat capacity.
- 15th May 1982State the correct SI unit for density.
- 16th May 1982State the number of protons and the number of neutrons in an alpha particle.
- 17th May 1982State the speed at which all electromagnetic waves travel through a vacuum.
- 18th May 1982A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 19th May 1982Convert 0.02 mm into micrometres (um).
- 20th May 1982Why does a food test for sugars need a water bath?
- 21st May 1982Explain what is meant by a double blind trial.
- 22nd May 1982Name the two parts of the central nervous system (CNS).
- 23rd May 1982Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 24th May 1982State one benefit of recycling metal rather than extracting new metal from its ore.
- 25th May 1982Name the three types of strong chemical bonding.
- 26th May 1982Give the formula for atom economy.
- 27th May 1982Explain, 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.
- 28th May 1982Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 29th May 1982State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 30th May 1982How is the uncertainty in a set of repeated readings usually estimated?
- 31st May 1982Define electric current.