Daily Practice · GCSE Science
March 2003 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2003, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2003
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2003Write down the equation that links moment, force and distance.
- 2nd March 2003A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
- 3rd March 2003Define the independent variable.
- 4th March 2003Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
- 5th March 2003Name the type of pathogen that causes malaria.
- 6th March 2003Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
- 7th March 2003Define speciation.
- 8th March 2003Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 9th March 2003Why are the noble gases unreactive?
- 10th March 2003How many atoms are there in 0.5 mol of helium?
- 11th March 2003Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 12th March 2003State the catalyst commonly used in the Haber process.
- 13th March 2003Describe the test, and the positive result, for ammonium ions.
- 14th March 2003Convert 3.5 kJ into joules.
- 15th March 2003In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 16th March 2003How is the temperature of a gas related to the motion of its molecules?
- 17th March 2003Define the term 'vector quantity' and give one example.
- 18th March 2003Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 19th March 2003State one difference between a moon and an artificial satellite.
- 20th March 2003How many pairs of chromosomes are there in a human body cell?
- 21st March 2003Where are most stomata found on a typical leaf, and why?
- 22nd March 2003Name four limiting factors of photosynthesis.
- 23rd March 2003Define phenotype.
- 24th March 2003State what is meant by the term biodiversity.
- 25th March 2003Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 26th March 2003Give one use of nanoparticles and one associated risk.
- 27th March 2003Give the ionic equation for neutralisation.
- 28th March 2003State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).
- 29th March 2003Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 30th March 2003Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 31st March 2003State the equation for gravitational potential energy.