Daily Practice · GCSE Science
January 2010 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2010, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2010
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2010Define a synapse.
- 2nd January 2010Give one example of an abiotic factor that could affect where a plant species grows.
- 3rd January 2010Explain why potable water is not the same as pure water.
- 4th January 2010Explain why sodium chloride conducts electricity when molten but not when solid.
- 5th January 2010Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 6th January 2010State the energy transfer that occurs during an endothermic reaction.
- 7th January 2010State the general formula of the alkanes.
- 8th January 2010A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 9th January 2010Why should a line of best fit be drawn rather than joining the plotted points?
- 10th January 2010In a parallel circuit, how do the branch currents relate to the total current?
- 11th January 2010State the approximate radius of an atom.
- 12th January 2010Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 13th January 2010Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 14th January 2010Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 15th January 2010Give one adaptation of a root hair cell for absorbing mineral ions.
- 16th January 2010Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 17th January 2010A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 18th January 2010State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 19th January 2010Why is a polystyrene cup with a lid used in energy-change experiments?
- 20th January 2010Write the electronic structure of a magnesium atom (12 electrons).
- 21st January 2010A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 22nd January 2010In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 23rd January 2010State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 24th January 2010Name the gas that relights a glowing splint.
- 25th January 2010Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 26th January 2010Define power and give its unit.
- 27th January 2010Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 28th January 2010A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 29th January 2010A wave has a period of 0.005 s. Calculate its frequency.
- 30th January 2010State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 31st January 2010Give one advantage of a light microscope over an electron microscope.