Daily Practice · GCSE Science
January 1959 5-a-day
Every sheet in January 1959
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 1959Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 2nd January 1959Why do polymers have higher melting points than small molecules such as methane?
- 3rd January 1959Complete: acid + metal carbonate gives ...
- 4th January 1959State the four factors that can increase the rate of a chemical reaction.
- 5th January 1959State the functional group found in all carboxylic acids.
- 6th January 1959Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 7th January 1959By what factor does kinetic energy increase if speed is doubled?
- 8th January 1959Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 9th January 1959Define the term 'half-life' of a radioactive isotope.
- 10th January 1959State the speed at which all electromagnetic waves travel through a vacuum.
- 11th January 1959A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 12th January 1959A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 13th January 1959Describe the positive result of the Biuret test.
- 14th January 1959What is tested during preclinical testing?
- 15th January 1959Name the two parts of the central nervous system (CNS).
- 16th January 1959Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 17th January 1959State the two main steps used to produce potable water from a fresh water source.
- 18th January 1959State the charge on a calcium ion (Group 2).
- 19th January 1959Why do companies prefer reactions with a high atom economy?
- 20th January 1959On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 21st January 1959Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 22nd January 1959Explain why the solvent level in the container must be below the pencil baseline.
- 23rd January 1959In the specific heat capacity practical, why is the block insulated?
- 24th January 1959Describe the current-potential difference graph for a filament lamp.
- 25th January 1959State the difference between irradiation and contamination.
- 26th January 1959A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 27th January 1959State the difference between a permanent magnet and an induced magnet.
- 28th January 1959State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 29th January 1959Name the process that moves substances against a concentration gradient.
- 30th January 1959Name the vector that spreads the protist pathogen that causes malaria.
- 31st January 1959State two things excess glucose can be converted into for storage in the human body.