Daily Practice · GCSE Science
March 1997 - GCSE Science 5-a-day
Every sheet in March 1997
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1997State one human activity that reduces the amount of land available for other organisms.
- 2nd March 1997State the two substances that must both be present for iron to rust.
- 3rd March 1997State the size range of a nanoparticle.
- 4th March 1997Why is aluminium extracted by electrolysis rather than by reduction with carbon?
- 5th March 1997Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
- 6th March 1997Name the two methods used to produce ethanol industrially.
- 7th March 1997Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 8th March 1997What happens to the energy described as 'wasted' in a transfer?
- 9th March 1997State the correct SI unit for density.
- 10th March 1997Explain the difference between irradiation and contamination.
- 11th March 1997State whether sound waves are transverse or longitudinal.
- 12th March 1997State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 13th March 1997Convert 0.02 mm into micrometres (um).
- 14th March 1997Name the products of protein digestion.
- 15th March 1997State the difference between an antibiotic and a painkiller.
- 16th March 1997State why a reflex action is described as involuntary.
- 17th March 1997A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 18th March 1997State one benefit of recycling metal rather than extracting new metal from its ore.
- 19th March 1997Name the three types of strong chemical bonding.
- 20th March 1997Convert 250 cubic centimetres into cubic decimetres.
- 21st March 1997A 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 1997State what happens to the boiling point of hydrocarbons as their chain length increases.
- 23rd March 1997Write the formula for calculating an Rf value.
- 24th March 1997Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
- 25th March 1997What happens to the total resistance when a second resistor is added in parallel, and why?
- 26th March 1997What happens inside the nucleus when a beta particle is emitted?
- 27th March 1997A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 28th March 1997Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 29th March 1997State how the amount of red-shift is related to a galaxy's distance from Earth.
- 30th March 1997State three factors that increase the rate of diffusion.
- 31st March 1997State one way that pathogens can be spread from person to person.