Daily Practice · GCSE Science
April 1972 5-a-day
Every sheet in April 1972
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1972Explain why graphite conducts electricity but diamond does not.
- 2nd April 1972State what is observed when magnesium ribbon is added to copper sulfate solution.
- 3rd April 1972State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 4th April 1972Name the small molecule typically released as a by-product during condensation polymerisation.
- 5th April 1972Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 6th April 1972Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 7th April 1972State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 8th April 1972Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 9th April 1972A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 10th April 1972A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 11th April 1972A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 12th April 1972Where is bile made and where is it stored?
- 13th April 1972Why does a vaccinated person not usually become ill when they meet the pathogen?
- 14th April 1972Define a synapse.
- 15th April 1972Give one example of an abiotic factor that could affect where a plant species grows.
- 16th April 1972Explain why potable water is not the same as pure water.
- 17th April 1972Explain why sodium chloride conducts electricity when molten but not when solid.
- 18th April 1972Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 19th April 1972State the energy transfer that occurs during an endothermic reaction.
- 20th April 1972State the general formula of the alkanes.
- 21st April 1972A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 22nd April 1972Why should a line of best fit be drawn rather than joining the plotted points?
- 23rd April 1972In a parallel circuit, how do the branch currents relate to the total current?
- 24th April 1972State the approximate radius of an atom.
- 25th April 1972Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 26th April 1972Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 27th April 1972Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 28th April 1972Give one adaptation of a root hair cell for absorbing mineral ions.
- 29th April 1972Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 30th April 1972A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.