Daily Practice · GCSE Science
January 1961 5-a-day
Every sheet in January 1961
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 1961Name the type of electromagnetic wave used by a television remote control.
- 2nd January 1961Explain why a satellite moving in a stable circular orbit has a changing velocity even though its speed stays constant.
- 3rd January 1961Where in a plant are stem cells found?
- 4th January 1961Name the process by which dissolved sugars are transported in the phloem.
- 5th January 1961Why is photosynthesis described as endothermic?
- 6th January 1961Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
- 7th January 1961State one human activity that reduces the amount of land available for other organisms.
- 8th January 1961State the two substances that must both be present for iron to rust.
- 9th January 1961State the size range of a nanoparticle.
- 10th January 1961Why is aluminium extracted by electrolysis rather than by reduction with carbon?
- 11th January 1961Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
- 12th January 1961Name the carboxylic acid produced when ethanol is oxidised.
- 13th January 1961State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 14th January 1961What happens to the energy described as 'wasted' in a transfer?
- 15th January 1961Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 16th January 1961Explain the difference between irradiation and contamination.
- 17th January 1961Define the term 'wavelength' of a wave.
- 18th January 1961State the difference between an alternator and a dynamo.
- 19th January 1961Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 20th January 1961Name the products of protein digestion.
- 21st January 1961State the difference between an antibiotic and a painkiller.
- 22nd January 1961State the type of effector that produces a physical response by contracting.
- 23rd January 1961Give one example of a biotic factor that could affect a population of rabbits.
- 24th January 1961Name two methods of desalinating seawater.
- 25th January 1961Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 26th January 1961Convert 250 cubic centimetres into cubic decimetres.
- 27th January 1961A student heats solid copper carbonate strongly in a test tube, and it breaks down into copper oxide and carbon dioxide. Heating must be continued throughout the reaction for it to keep going. State whether this thermal decomposition reaction is exothermic or endothermic, and explain your reasoning.
- 28th January 1961Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 29th January 1961Write the formula for calculating an Rf value.
- 30th January 1961Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
- 31st January 1961What happens to the total resistance when a second resistor is added in parallel, and why?