Daily Practice · GCSE Science
March 1961 5-a-day
Every sheet in March 1961
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1961State one factor that affects the size of the voltage produced by a chemical cell.
- 2nd March 1961State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 3rd March 1961Give two processes that removed carbon dioxide from the early atmosphere.
- 4th March 1961Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 5th March 1961Why is the live wire dangerous even when a device is switched off?
- 6th March 1961Describe the plum pudding model.
- 7th March 1961State the equation that links pressure, force and area.
- 8th March 1961In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 9th March 1961Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 10th March 1961Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 11th March 1961Define a communicable disease.
- 12th March 1961Name the gland that monitors and controls blood glucose concentration.
- 13th March 1961Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 14th March 1961Write the electronic structure of an atom with 12 electrons.
- 15th March 1961Explain why potassium is more reactive than sodium.
- 16th March 1961Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 17th March 1961A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 18th March 1961State the two named reactants used in the Haber process.
- 19th March 1961A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 20th March 1961A device transfers 4500 J in 90 s. Calculate its power.
- 21st March 1961State the UK mains supply frequency and typical potential difference.
- 22nd March 1961Why does a bicycle pump get warm when used?
- 23rd March 1961A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
- 24th March 1961An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
- 25th March 1961A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
- 26th March 1961What happens to the DNA before mitosis begins?
- 27th March 1961State two conditions that increase the rate of transpiration.
- 28th March 1961A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 29th March 1961Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 30th March 1961Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 31st March 1961State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.