Daily Practice · GCSE Science
October 1972 5-a-day
Every sheet in October 1972
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1972State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 2nd October 1972State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 3rd October 1972Distinguish repeatability from reproducibility.
- 4th October 1972How does the resistance of a thermistor change as it gets hotter?
- 5th October 1972What is an alpha particle made of?
- 6th October 1972Explain why a larger vehicle mass increases braking distance.
- 7th October 1972State the type of force that always acts between an induced magnet and the magnet that induced it.
- 8th October 1972Name the model of the origin of the universe that is supported by red-shift observations.
- 9th October 1972Explain why a plant cell placed in pure water does not burst.
- 10th October 1972Which type of pathogen causes athlete's foot, a fungal skin infection?
- 11th October 1972Define oxygen debt.
- 12th October 1972Explain one benefit of the Human Genome Project.
- 13th October 1972In the rate experiment where a cross disappears, why is the result subjective?
- 14th October 1972An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 15th October 1972Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 16th October 1972Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
- 17th October 1972In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
- 18th October 1972A solid gives a lilac flame test. Name the metal ion present.
- 19th October 1972Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 20th October 1972Give the equation for efficiency in terms of energy.
- 21st October 1972Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 22nd October 1972A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 23rd October 1972A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 24th October 1972State what a nebula is, and explain its role in the life cycle of a star.
- 25th October 1972State the function of the mitochondria.
- 26th October 1972Which component of blood transports carbon dioxide, urea and hormones?
- 27th October 1972Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 28th October 1972Name the hormone released by the adrenal glands that prepares the body for fight or flight.
- 29th October 1972A 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 1972State what is meant by sustainable development.
- 31st October 1972Why can metals conduct electricity when solid?