Daily Practice · GCSE Science
November 1981 5-a-day
Every sheet in November 1981
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1981A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 2nd November 1981Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 3rd November 1981A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 4th November 1981State two ways that bile aids the digestion of fats.
- 5th November 1981Give one way of reducing the spread of malaria.
- 6th November 1981Name the three parts common to every homeostatic control system.
- 7th November 1981State one advantage and one disadvantage of selective breeding in farm animals.
- 8th November 1981State the relative charge of a neutron.
- 9th November 1981Why do elements in the same group have similar chemical properties?
- 10th November 1981Why is the amount of product directly proportional to the amount of limiting reactant?
- 11th November 1981A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 12th November 1981In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 13th November 1981A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 14th November 1981Give the equation for wave speed and its units.
- 15th November 1981A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 16th November 1981Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 17th November 1981A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 18th November 1981A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
- 19th November 1981Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 20th November 1981Give one risk of stem cell treatment.
- 21st November 1981Why does a potometer measure water uptake rather than transpiration directly?
- 22nd November 1981Why does the rate of photosynthesis fall at very high temperatures?
- 23rd November 1981Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 24th November 1981Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
- 25th November 1981State the four stages considered in a life cycle assessment.
- 26th November 1981Why does simple molecular carbon dioxide have a much lower melting point than giant covalent silicon dioxide?
- 27th November 1981Define oxidation in terms of electrons.
- 28th November 1981State two units that the rate of a reaction can be measured in.
- 29th November 1981State the functional group found in all alcohols.
- 30th November 1981Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.