Daily Practice · GCSE Science
March 1982 5-a-day
Every sheet in March 1982
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1982Explain why reflex responses are faster than voluntary responses.
- 2nd March 1982Define community, in ecological terms.
- 3rd March 1982Name the four stages usually considered in a life cycle assessment of a product.
- 4th March 1982A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
- 5th March 1982Give the formula for percentage yield.
- 6th March 1982A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
- 7th March 1982Name the two industrial methods of cracking.
- 8th March 1982State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 9th March 1982Distinguish repeatability from reproducibility.
- 10th March 1982How does the resistance of a thermistor change as it gets hotter?
- 11th March 1982What is an alpha particle made of?
- 12th March 1982Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
- 13th March 1982State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
- 14th March 1982State what red-shift shows about the motion of most distant galaxies.
- 15th March 1982Explain why a plant cell placed in pure water does not burst.
- 16th March 1982Which type of pathogen causes athlete's foot, a fungal skin infection?
- 17th March 1982State the word equation for aerobic respiration.
- 18th March 1982State one ethical concern raised by embryo screening.
- 19th March 1982In the rate experiment where a cross disappears, why is the result subjective?
- 20th March 1982An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 21st March 1982Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 22nd March 1982State the name given to the negative electrode in electrolysis.
- 23rd March 1982Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 24th March 1982A solid gives a lilac flame test. Name the metal ion present.
- 25th March 1982Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 26th March 1982Give the equation for efficiency in terms of energy.
- 27th March 1982Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 28th March 1982A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 29th March 1982Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 30th March 1982Name the region of the Solar System where most asteroids are found.
- 31st March 1982State the function of the mitochondria.