Daily Practice · GCSE Science
May 1983 5-a-day
Every sheet in May 1983
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1983Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 2nd May 1983A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 3rd May 1983Why is a polystyrene cup with a lid used in energy-change experiments?
- 4th May 1983Write the electronic structure of a magnesium atom (12 electrons).
- 5th May 1983A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 6th May 1983In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 7th May 1983Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 8th May 1983Name the gas that relights a glowing splint.
- 9th May 1983Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 10th May 1983Define power and give its unit.
- 11th May 1983Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 12th May 1983A 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.
- 13th May 1983A wave has a frequency of 50 Hz. Calculate its period.
- 14th May 1983Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 15th May 1983Give one advantage of a light microscope over an electron microscope.
- 16th May 1983Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 17th May 1983Name the organelle in a plant cell where photosynthesis takes place.
- 18th May 1983State one risk factor linked to type 2 diabetes.
- 19th May 1983Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 20th May 1983Name one method used to sterilise fresh water during the production of potable water.
- 21st May 1983Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 22nd May 1983Write the word equation for the reaction between zinc and hydrochloric acid.
- 23rd May 1983State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 24th May 1983Define the term 'homologous series'.
- 25th May 1983State the approximate percentage of nitrogen in today's atmosphere.
- 26th May 1983A spring is compressed. Which energy store increases?
- 27th May 1983Give the colour and function of the earth wire.
- 28th May 1983What observation showed the nucleus is positively charged and very small?
- 29th May 1983Write down the equation that links moment, force and distance.
- 30th May 1983A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
- 31st May 1983A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.