Daily Practice · GCSE Science
September 2006 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2006, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2006
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2006A student wraps a coil of insulated wire around an iron nail and connects it to a battery. Name the device this creates, and state one way to increase its magnetic field strength.
- 2nd September 2006Explain why red-shift observations support the idea that the universe is expanding, rather than Earth simply being at the centre of the universe with everything moving away from it.
- 3rd September 2006State three factors that increase the rate of diffusion.
- 4th September 2006State one way that pathogens can be spread from person to person.
- 5th September 2006Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 6th September 2006A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 7th September 2006What does 'concordant' mean when applied to titres?
- 8th September 2006What did the alpha scattering experiment show that the plum pudding model could not explain?
- 9th September 2006Magnesium is burned in an open crucible and the mass increases. Explain why.
- 10th September 2006In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 11th September 2006Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 12th September 2006Describe the result of the test for carbon dioxide.
- 13th September 2006Give one piece of evidence used to link human activity to recent climate change.
- 14th September 2006Give one advantage and one disadvantage of wind power.
- 15th September 2006Why does the temperature stay constant while a substance boils?
- 16th September 2006State whether friction is a contact force or a non-contact force.
- 17th September 2006A wave has a frequency of 50 Hz. Calculate its period.
- 18th September 2006Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 19th September 2006Where is the DNA found in a bacterial cell?
- 20th September 2006Name the substance in red blood cells that binds oxygen.
- 21st September 2006Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 22nd September 2006State one risk factor linked to type 2 diabetes.
- 23rd September 2006In 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.
- 24th September 2006Give one reason distillation of seawater requires a large energy input.
- 25th September 2006Give the charge on an ion formed by a group 2 element.
- 26th September 2006A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 27th September 2006State one factor that affects the size of the voltage produced by a chemical cell.
- 28th September 2006Define the term 'homologous series'.
- 29th September 2006Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 30th September 2006Name the energy store associated with a moving car.