Daily Practice · GCSE Science
December 2024 - GCSE Science 5-a-day
Every GCSE Science sheet published in December 2024, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in December 2024
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 2024Write the formula of calcium chloride and explain the ratio.
- 2nd December 2024Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 3rd December 2024Hydrogen 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.
- 4th December 2024State the general formula of the alkenes.
- 5th December 2024Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 6th December 2024A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 7th December 2024Give the equation linking energy transferred, charge flow and potential difference.
- 8th December 2024Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
- 9th December 2024A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 10th December 2024Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 11th December 2024Why does taking repeat readings and calculating a mean improve the data?
- 12th December 2024State two ways that bile aids the digestion of fats.
- 13th December 2024State two ways measles is prevented from spreading.
- 14th December 2024Name the three parts common to every homeostatic control system.
- 15th December 2024State one advantage and one disadvantage of selective breeding in farm animals.
- 16th December 2024State the relative charge of a neutron.
- 17th December 2024Give two observations when lithium is added to water.
- 18th December 2024State the value of the Avogadro constant and what it counts.
- 19th December 2024A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 20th December 2024In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 21st December 2024Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 22nd December 2024Write the equation linking power, energy and time, and rearrange it for time.
- 23rd December 2024A 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.
- 24th December 2024A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 25th December 2024A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 26th December 2024A 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).
- 27th December 2024Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 28th December 2024Define an undifferentiated cell.
- 29th December 2024Which tissue transports water and mineral ions from the roots?
- 30th December 2024Give three uses of the glucose produced in photosynthesis.
- 31st December 2024Name the three-domain system of classification, and name the scientist most associated with proposing it.