Daily Practice · GCSE Science
January 2013 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2013, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2013
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2013Where is the DNA found in a bacterial cell?
- 2nd January 2013Name the substance in red blood cells that binds oxygen.
- 3rd January 2013Name the organelle in a plant cell where photosynthesis takes place.
- 4th January 2013Explain why sweating cools the body down.
- 5th January 2013In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
- 6th January 2013Name one method used to sterilise fresh water during the production of potable water.
- 7th January 2013Give the charge on an ion formed by a group 2 element.
- 8th January 2013Write the word equation for the reaction between zinc and hydrochloric acid.
- 9th January 2013State one factor that affects the size of the voltage produced by a chemical cell.
- 10th January 2013Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 11th January 2013State the approximate percentage of nitrogen in today's atmosphere.
- 12th January 2013A spring is compressed. Which energy store increases?
- 13th January 2013Why is the live wire dangerous even when a device is switched off?
- 14th January 2013Describe the plum pudding model.
- 15th January 2013A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 16th January 2013A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.
- 17th January 2013Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 18th January 2013Name the organ system responsible for breaking food down into small, soluble molecules.
- 19th January 2013Define a communicable disease.
- 20th January 2013Define homeostasis.
- 21st January 2013Give one example of variation that is caused purely by the environment rather than by genes.
- 22nd January 2013An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 23rd January 2013Explain why potassium is more reactive than sodium.
- 24th January 2013Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 25th January 2013Give one everyday example of an endothermic process.
- 26th January 2013In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 27th January 2013A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 28th January 2013A device transfers 4500 J in 90 s. Calculate its power.
- 29th January 2013A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 30th January 2013Why does a bicycle pump get warm when used?
- 31st January 2013A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.