Daily Practice · GCSE Science
October 1966 5-a-day
Every sheet in October 1966
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1966A water wave has a wavelength of 0.4 m and a frequency of 2.5 Hz. Calculate its speed.
- 2nd October 1966Explain how elements heavier than iron, such as gold, are created and distributed through the universe.
- 3rd October 1966Convert 0.05 mm into micrometres.
- 4th October 1966State the function of the valves in the heart and in veins.
- 5th October 1966State three factors that can limit the rate of photosynthesis.
- 6th October 1966State the type of diabetes in which the pancreas produces little or no insulin.
- 7th October 1966The Arctic fox has small, rounded ears compared with the desert fennec fox, which has very large ears. State whether this is a structural, behavioural or functional adaptation, and explain how it helps the Arctic fox survive.
- 8th October 1966Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 9th October 1966Write the formula of calcium chloride and explain the ratio.
- 10th October 1966Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 11th October 1966Hydrogen reacts with chlorine to form hydrogen chloride: H2 + Cl2 -> 2HCl. Use the bond energies given to calculate the overall energy change for this reaction. Bond energies: H-H = 436 kJ/mol, Cl-Cl = 243 kJ/mol, H-Cl = 432 kJ/mol.
- 12th October 1966Describe the colour change seen when an alkene is shaken with bromine water.
- 13th October 1966Name three greenhouse gases.
- 14th October 1966A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 15th October 1966Give the equation linking energy transferred, charge flow and potential difference.
- 16th October 1966Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
- 17th October 1966State the name of the upward force acting on an object placed in a fluid.
- 18th October 1966A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
- 19th October 1966Why does taking repeat readings and calculating a mean improve the data?
- 20th October 1966Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
- 21st October 1966State two ways measles is prevented from spreading.
- 22nd October 1966State one difference between nervous and hormonal coordination.
- 23rd October 1966State what is meant by a selection pressure.
- 24th October 1966Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 25th October 1966Give two observations when lithium is added to water.
- 26th October 1966State the value of the Avogadro constant and what it counts.
- 27th October 1966Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 28th October 1966State Le Chatelier's principle in your own words.
- 29th October 1966Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 30th October 1966Write the equation linking power, energy and time, and rearrange it for time.
- 31st October 1966In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.