Daily Practice · GCSE Science
October 2006 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2006, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2006
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2006Why is the live wire dangerous even when a device is switched off?
- 2nd October 2006Describe the plum pudding model.
- 3rd October 2006Write down the equation that links moment, force and distance.
- 4th October 2006A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
- 5th October 2006Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 6th October 2006State the type of large biological molecule that all enzymes are made from.
- 7th October 2006Define a communicable disease.
- 8th October 2006Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
- 9th October 2006Define speciation.
- 10th October 2006A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 11th October 2006Explain why potassium is more reactive than sodium.
- 12th October 2006Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 13th October 2006Using the values in the previous question, calculate the overall energy change for the reaction.
- 14th October 2006State the catalyst commonly used in the Haber process.
- 15th October 2006A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 16th October 2006A device transfers 4500 J in 90 s. Calculate its power.
- 17th October 2006A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 18th October 2006Why does a bicycle pump get warm when used?
- 19th October 2006Define the term 'vector quantity' and give one example.
- 20th October 2006Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 21st October 2006State one difference between a moon and an artificial satellite.
- 22nd October 2006What happens to the DNA before mitosis begins?
- 23rd October 2006State two conditions that increase the rate of transpiration.
- 24th October 2006A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 25th October 2006Define phenotype.
- 26th October 2006Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 27th October 2006State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 28th October 2006Explain why graphite conducts electricity but diamond does not.
- 29th October 2006State what is observed when magnesium ribbon is added to copper sulfate solution.
- 30th October 2006State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 31st October 2006Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.