Daily Practice · GCSE Science
March 2001 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2001, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2001
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2001State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 2nd March 2001Define the limiting reactant.
- 3rd March 2001State whether the combustion of methane is exothermic or endothermic.
- 4th March 2001State what is meant by dynamic equilibrium.
- 5th March 2001Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 6th March 2001Why should you write down the equation even if you cannot finish the calculation?
- 7th March 2001Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 8th March 2001What causes the pressure of a gas on the walls of its container?
- 9th March 2001A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 10th March 2001State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 11th March 2001State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 12th March 2001Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 13th March 2001Why are xylem cells strengthened with lignin?
- 14th March 2001Why is glucose converted into starch for storage?
- 15th March 2001Define the term allele.
- 16th March 2001State one way in which high biodiversity benefits an ecosystem.
- 17th March 2001Explain how painting an iron gate helps prevent it from rusting.
- 18th March 2001Why can an ionic solid not conduct electricity?
- 19th March 2001Name the salt made from zinc oxide and nitric acid.
- 20th March 2001State what is meant by a catalyst.
- 21st March 2001Explain why carboxylic acids are described as 'weak acids'.
- 22nd March 2001Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 23rd March 2001Define specific heat capacity.
- 24th March 2001State the correct SI unit for density.
- 25th March 2001State the number of protons and the number of neutrons in an alpha particle.
- 26th March 2001Explain why ultraviolet radiation can be harmful to human skin.
- 27th March 2001State two ways of inducing a potential difference across a conductor using a magnetic field.
- 28th March 2001Convert 0.02 mm into micrometres (um).
- 29th March 2001Why does a food test for sugars need a water bath?
- 30th March 2001Explain what is meant by a double blind trial.
- 31st March 2001A ruler is released and falls 20 cm before being caught. Using distance = 0.5 x g x time^2 with g = 9.8 m/s^2, calculate the reaction time, to 3 significant figures.