Daily Practice · GCSE Science
August 1971 5-a-day
Every sheet in August 1971
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 1971State the four factors that can increase the rate of a chemical reaction.
- 2nd August 1971State the functional group found in all carboxylic acids.
- 3rd August 1971Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 4th August 1971By what factor does kinetic energy increase if speed is doubled?
- 5th August 1971State the correct SI unit for density.
- 6th August 1971Define the term 'half-life' of a radioactive isotope.
- 7th August 1971State the speed at which all electromagnetic waves travel through a vacuum.
- 8th August 1971A 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.
- 9th August 1971Convert 0.02 mm into micrometres (um).
- 10th August 1971Describe the positive result of the Biuret test.
- 11th August 1971What is tested during preclinical testing?
- 12th August 1971Name the two parts of the central nervous system (CNS).
- 13th August 1971Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 14th August 1971State one benefit of recycling metal rather than extracting new metal from its ore.
- 15th August 1971Name the three types of strong chemical bonding.
- 16th August 1971Why do companies prefer reactions with a high atom economy?
- 17th August 1971On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 18th August 1971Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 19th August 1971Explain why the solvent level in the container must be below the pencil baseline.
- 20th August 1971In the specific heat capacity practical, why is the block insulated?
- 21st August 1971Describe the current-potential difference graph for a filament lamp.
- 22nd August 1971State the difference between irradiation and contamination.
- 23rd August 1971A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 24th August 1971State the difference between a permanent magnet and an induced magnet.
- 25th August 1971State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 26th August 1971Name the process that moves substances against a concentration gradient.
- 27th August 1971State one way that pathogens can be spread from person to person.
- 28th August 1971State two things excess glucose can be converted into for storage in the human body.
- 29th August 1971Define homozygous.
- 30th August 1971Why is the burette rinsed with the solution it is going to contain rather than with water?
- 31st August 1971State the relative mass and relative charge of a neutron.