Daily Practice · GCSE Science
May 1965 5-a-day
Every sheet in May 1965
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1965Define a finite resource, giving one example.
- 2nd May 1965State one reason why simple covalent substances such as chlorine have low melting points.
- 3rd May 1965Why do companies prefer reactions with a high atom economy?
- 4th May 1965On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 5th May 1965Define the term 'hydrocarbon'.
- 6th May 1965Explain why the solvent level in the container must be below the pencil baseline.
- 7th May 1965In the specific heat capacity practical, why is the block insulated?
- 8th May 1965Describe the current-potential difference graph for a filament lamp.
- 9th May 1965State the difference between irradiation and contamination.
- 10th May 1965A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.
- 11th May 1965A student wraps a coil of insulated wire around an iron nail and connects it to a battery. Name the device this creates, and state one way to increase its magnetic field strength.
- 12th May 1965Explain why red-shift observations support the idea that the universe is expanding, rather than Earth simply being at the centre of the universe with everything moving away from it.
- 13th May 1965Name the process that moves substances against a concentration gradient.
- 14th May 1965A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 15th May 1965Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 16th May 1965A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 17th May 1965Why is the burette rinsed with the solution it is going to contain rather than with water?
- 18th May 1965State the relative mass and relative charge of a neutron.
- 19th May 1965Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 20th May 1965In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 21st May 1965Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 22nd May 1965Which reagent is added, and in what colour change, to test for chlorine gas?
- 23rd May 1965Explain how solid carbon particulates released by combustion can cause global dimming.
- 24th May 1965A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 25th May 1965Define specific latent heat of fusion.
- 26th May 1965A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 27th May 1965A wave has a frequency of 50 Hz. Calculate its period.
- 28th May 1965Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 29th May 1965Give the equation linking magnification, image size and real size.
- 30th May 1965Give one advantage and one disadvantage of a stent.
- 31st May 1965State three factors that can limit the rate of photosynthesis.