Daily Practice · GCSE Science
May 1977 5-a-day
Every sheet in May 1977
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1977State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 2nd May 1977Give two processes that removed carbon dioxide from the early atmosphere.
- 3rd May 1977Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 4th May 1977State the potential difference and frequency of the UK mains supply.
- 5th May 1977What did Bohr add to the nuclear model?
- 6th May 1977State the equation that links pressure, force and area.
- 7th May 1977In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 8th May 1977Why must the same volume of solution be used in every tube in an enzyme investigation?
- 9th May 1977Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 10th May 1977Describe the symptoms of rose black spot and its effect on the plant.
- 11th May 1977Name the gland that monitors and controls blood glucose concentration.
- 12th May 1977Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 13th May 1977Write the electronic structure of an atom with 12 electrons.
- 14th May 1977Why did Mendeleev leave gaps in his table?
- 15th May 1977Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
- 16th May 1977A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 17th May 1977State the two named reactants used in the Haber process.
- 18th May 1977State the flame test colour for sodium ions.
- 19th May 1977Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
- 20th May 1977State the UK mains supply frequency and typical potential difference.
- 21st May 1977A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
- 22nd May 1977A 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.
- 23rd May 1977An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
- 24th May 1977A 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.
- 25th May 1977State three functions of mitosis.
- 26th May 1977What happens to guard cells when a plant is short of water?
- 27th May 1977Write the word equation for photosynthesis.
- 28th May 1977Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 29th May 1977State one method used to try to maintain biodiversity.
- 30th May 1977Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
- 31st May 1977Why is graphite soft and slippery?