Daily Practice · GCSE Science
March 2008 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2008, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2008State one human activity that reduces the amount of land available for other organisms.
- 2nd March 2008State the two substances that must both be present for iron to rust.
- 3rd March 2008State the size range of a nanoparticle.
- 4th March 2008Why is aluminium extracted by electrolysis rather than by reduction with carbon?
- 5th March 2008Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
- 6th March 2008Name the small molecule typically released as a by-product during condensation polymerisation.
- 7th March 2008State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 8th March 2008What happens to the energy described as 'wasted' in a transfer?
- 9th March 2008Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 10th March 2008Explain the difference between irradiation and contamination.
- 11th March 2008A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 12th March 2008A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 13th March 2008Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 14th March 2008Name the products of protein digestion.
- 15th March 2008State the difference between an antibiotic and a painkiller.
- 16th March 2008Define a synapse.
- 17th March 2008Give one example of an abiotic factor that could affect where a plant species grows.
- 18th March 2008Name two methods of desalinating seawater.
- 19th March 2008Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 20th March 2008Convert 250 cubic centimetres into cubic decimetres.
- 21st March 2008A student heats solid copper carbonate strongly in a test tube, and it breaks down into copper oxide and carbon dioxide. Heating must be continued throughout the reaction for it to keep going. State whether this thermal decomposition reaction is exothermic or endothermic, and explain your reasoning.
- 22nd March 2008State the general formula of the alkanes.
- 23rd March 2008Write the formula for calculating an Rf value.
- 24th March 2008Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
- 25th March 2008What happens to the total resistance when a second resistor is added in parallel, and why?
- 26th March 2008What happens inside the nucleus when a beta particle is emitted?
- 27th March 2008Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 28th March 2008Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 29th March 2008Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 30th March 2008State three factors that increase the rate of diffusion.
- 31st March 2008Describe how phagocytes destroy pathogens in the body.