Daily Practice · GCSE Science
March 2002 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2002, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2002
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2002A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 2nd March 2002Why should a line of best fit be drawn rather than joining the plotted points?
- 3rd March 2002In a parallel circuit, how do the branch currents relate to the total current?
- 4th March 2002State the approximate radius of an atom.
- 5th March 2002A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 6th March 2002State the difference between a permanent magnet and an induced magnet.
- 7th March 2002State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 8th March 2002Give one adaptation of a root hair cell for absorbing mineral ions.
- 9th March 2002Name the vector that spreads the protist pathogen that causes malaria.
- 10th March 2002State two things excess glucose can be converted into for storage in the human body.
- 11th March 2002Define homozygous.
- 12th March 2002Why is a polystyrene cup with a lid used in energy-change experiments?
- 13th March 2002Write the electronic structure of a magnesium atom (12 electrons).
- 14th March 2002A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 15th March 2002Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 16th March 2002A 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.
- 17th March 2002Name the gas that relights a glowing splint.
- 18th March 2002Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 19th March 2002Define power and give its unit.
- 20th March 2002Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 21st March 2002A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 22nd March 2002State the difference between a transverse wave and a longitudinal wave.
- 23rd March 2002Name the force that keeps the planets in orbit around the Sun.
- 24th March 2002Give one advantage of a light microscope over an electron microscope.
- 25th March 2002Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 26th March 2002Name the organelle in a plant cell where photosynthesis takes place.
- 27th March 2002Explain why sweating cools the body down.
- 28th March 2002Thermus 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.
- 29th March 2002Name one method used to sterilise fresh water during the production of potable water.
- 30th March 2002Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 31st March 2002Write the word equation for the reaction between zinc and hydrochloric acid.