Daily Practice · GCSE Science
October 1961 5-a-day
Every sheet in October 1961
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1961Define the term 'hydrocarbon'.
- 2nd October 1961State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 3rd October 1961Distinguish repeatability from reproducibility.
- 4th October 1961How does the resistance of a thermistor change as it gets hotter?
- 5th October 1961What is an alpha particle made of?
- 6th October 1961A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.
- 7th October 1961A 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.
- 8th October 1961Explain 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.
- 9th October 1961Explain why a plant cell placed in pure water does not burst.
- 10th October 1961Name the vector that spreads the protist pathogen that causes malaria.
- 11th October 1961Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 12th October 1961A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 13th October 1961In the rate experiment where a cross disappears, why is the result subjective?
- 14th October 1961An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 15th October 1961Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 16th October 1961In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 17th October 1961Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 18th October 1961A solid gives a lilac flame test. Name the metal ion present.
- 19th October 1961Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 20th October 1961Give the equation for efficiency in terms of energy.
- 21st October 1961Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 22nd October 1961A 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.
- 23rd October 1961A wave has a frequency of 50 Hz. Calculate its period.
- 24th October 1961Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 25th October 1961State the function of the mitochondria.
- 26th October 1961Which component of blood transports carbon dioxide, urea and hormones?
- 27th October 1961Name the organelle in a plant cell where photosynthesis takes place.
- 28th October 1961State one risk factor linked to type 2 diabetes.
- 29th October 1961A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
- 30th October 1961Name one method used to sterilise fresh water during the production of potable water.
- 31st October 1961Why can metals conduct electricity when solid?