Daily Practice · GCSE Science
April 1961 5-a-day
Every sheet in April 1961
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1961Explain why graphite conducts electricity but diamond does not.
- 2nd April 1961State what is observed when magnesium ribbon is added to copper sulfate solution.
- 3rd April 1961State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 4th April 1961Name the two methods used to produce ethanol industrially.
- 5th April 1961Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 6th April 1961Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 7th April 1961A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 8th April 1961Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 9th April 1961State whether sound waves are transverse or longitudinal.
- 10th April 1961State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 11th April 1961State one structure found in a bacterial cell but not in an animal cell.
- 12th April 1961Where is bile made and where is it stored?
- 13th April 1961Why does a vaccinated person not usually become ill when they meet the pathogen?
- 14th April 1961State why a reflex action is described as involuntary.
- 15th April 1961A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 16th April 1961Define a finite resource, giving one example.
- 17th April 1961State one reason why simple covalent substances such as chlorine have low melting points.
- 18th April 1961Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 19th April 1961State the energy transfer that occurs during an endothermic reaction.
- 20th April 1961State what happens to the boiling point of hydrocarbons as their chain length increases.
- 21st April 1961A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 22nd April 1961Why should a line of best fit be drawn rather than joining the plotted points?
- 23rd April 1961In a parallel circuit, how do the branch currents relate to the total current?
- 24th April 1961State the approximate radius of an atom.
- 25th April 1961A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 26th April 1961Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 27th April 1961State how the amount of red-shift is related to a galaxy's distance from Earth.
- 28th April 1961Give one adaptation of a root hair cell for absorbing mineral ions.
- 29th April 1961A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 30th April 1961State the word equation for anaerobic respiration in human muscle cells.