Daily Practice · GCSE Science
February 2011 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2011, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2011
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2011Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 2nd February 2011Give one use of nanoparticles and one associated risk.
- 3rd February 2011Give the ionic equation for neutralisation.
- 4th February 2011State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 5th February 2011State the functional group found in all carboxylic acids.
- 6th February 2011Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 7th February 2011State the equation for gravitational potential energy.
- 8th February 2011A 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.
- 9th February 2011Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 10th February 2011State the speed at which all electromagnetic waves travel through a vacuum.
- 11th February 2011A 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 February 2011State one structure found in a bacterial cell but not in an animal cell.
- 13th February 2011Explain what happens to an enzyme above its optimum temperature.
- 14th February 2011Name three non-specific defences of the human body.
- 15th February 2011Name the two parts of the central nervous system (CNS).
- 16th February 2011Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 17th February 2011Define a finite resource, giving one example.
- 18th February 2011State one reason why simple covalent substances such as chlorine have low melting points.
- 19th February 2011Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 20th February 2011State the energy transfer that occurs during an exothermic reaction.
- 21st February 2011Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 22nd February 2011In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 23rd February 2011Define the resolution of a measuring instrument.
- 24th February 2011Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 25th February 2011Which type of radiation is stopped by a sheet of paper?
- 26th February 2011A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 27th February 2011State the difference between a permanent magnet and an induced magnet.
- 28th February 2011State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.