Daily Practice · GCSE Science
May 2009 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2009, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2009
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2009Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 2nd May 2009State one benefit of recycling metal rather than extracting new metal from its ore.
- 3rd May 2009Name the three types of strong chemical bonding.
- 4th May 2009Why do companies prefer reactions with a high atom economy?
- 5th May 2009On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 6th May 2009Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 7th May 2009Explain why the solvent level in the container must be below the pencil baseline.
- 8th May 2009In the specific heat capacity practical, why is the block insulated?
- 9th May 2009Describe the current-potential difference graph for a filament lamp.
- 10th May 2009State the difference between irradiation and contamination.
- 11th May 2009A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 12th May 2009State the difference between a permanent magnet and an induced magnet.
- 13th May 2009State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 14th May 2009Name the process that moves substances against a concentration gradient.
- 15th May 2009State one way that pathogens can be spread from person to person.
- 16th May 2009State two things excess glucose can be converted into for storage in the human body.
- 17th May 2009Define homozygous.
- 18th May 2009Why is the burette rinsed with the solution it is going to contain rather than with water?
- 19th May 2009State the relative mass and relative charge of a neutron.
- 20th May 2009Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 21st May 2009Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 22nd May 2009A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 23rd May 2009Which reagent is added, and in what colour change, to test for chlorine gas?
- 24th May 2009Explain how solid carbon particulates released by combustion can cause global dimming.
- 25th May 2009A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 26th May 2009Define specific latent heat of fusion.
- 27th May 2009State whether friction is a contact force or a non-contact force.
- 28th May 2009State the difference between a transverse wave and a longitudinal wave.
- 29th May 2009Name the force that keeps the planets in orbit around the Sun.
- 30th May 2009Give the equation linking magnification, image size and real size.
- 31st May 2009Give one advantage and one disadvantage of a stent.