Daily Practice · GCSE Science
May 2003 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2003, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2003
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2003State the difference between a pure substance and a formulation.
- 2nd May 2003Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 3rd May 2003Name three renewable energy resources.
- 4th May 2003State the equation for density.
- 5th May 2003A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 6th May 2003A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 7th May 2003State what a nebula is, and explain its role in the life cycle of a star.
- 8th May 2003Why is a stain such as iodine used when preparing a slide?
- 9th May 2003Give two adaptations of a red blood cell.
- 10th May 2003A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 11th May 2003Name the hormone released by the adrenal glands that prepares the body for fight or flight.
- 12th May 2003Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 13th May 2003Classify crude oil as finite or renewable, and justify your answer.
- 14th May 2003Define a covalent bond.
- 15th May 2003Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 16th May 2003State the difference between a rechargeable cell and a non-rechargeable cell.
- 17th May 2003State the general formula of the alkenes.
- 18th May 2003Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 19th May 2003A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 20th May 2003Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 21st May 2003State the approximate radius of a nucleus compared with the radius of an atom.
- 22nd May 2003A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 23rd May 2003Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 24th May 2003State the difference between resolution and accuracy.
- 25th May 2003State two ways that bile aids the digestion of fats.
- 26th May 2003How do bacteria make a person feel ill?
- 27th May 2003Name the three parts common to every homeostatic control system.
- 28th May 2003State one advantage and one disadvantage of selective breeding in farm animals.
- 29th May 2003State the relative charge of a neutron.
- 30th May 2003On what property are elements ordered in the modern periodic table?
- 31st May 2003In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?