Daily Practice · GCSE Science
September 2011 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2011, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2011
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2011Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 2nd September 2011Name one method used to sterilise fresh water during the production of potable water.
- 3rd September 2011Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 4th September 2011Write the word equation for the reaction between zinc and hydrochloric acid.
- 5th September 2011State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 6th September 2011Describe the colour change seen when an alkene is shaken with bromine water.
- 7th September 2011State the approximate percentage of nitrogen in today's atmosphere.
- 8th September 2011A spring is compressed. Which energy store increases?
- 9th September 2011Give the colour and function of the earth wire.
- 10th September 2011What observation showed the nucleus is positively charged and very small?
- 11th September 2011State the name of the upward force acting on an object placed in a fluid.
- 12th September 2011A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
- 13th September 2011A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 14th September 2011Name the organ system responsible for breaking food down into small, soluble molecules.
- 15th September 2011Give one way of reducing the spread of malaria.
- 16th September 2011State one difference between nervous and hormonal coordination.
- 17th September 2011State what is meant by a selection pressure.
- 18th September 2011An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 19th September 2011Why do elements in the same group have similar chemical properties?
- 20th September 2011Why is the amount of product directly proportional to the amount of limiting reactant?
- 21st September 2011Give one everyday example of an endothermic process.
- 22nd September 2011State Le Chatelier's principle in your own words.
- 23rd September 2011A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 24th September 2011Give the equation for wave speed and its units.
- 25th September 2011A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 26th September 2011Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 27th September 2011On a velocity-time graph, what does the area between the line and the time axis represent?
- 28th September 2011State the speed of all electromagnetic waves travelling through a vacuum.
- 29th September 2011State the name of the force that keeps a satellite in orbit around the Earth.
- 30th September 2011Give one risk of stem cell treatment.