Daily Practice · GCSE Science
February 1996 - GCSE Science 5-a-day
Every sheet in February 1996
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1996Explain why deforestation to create land for cattle grazing can reduce biodiversity.
- 2nd February 1996Name two methods of desalinating seawater.
- 3rd February 1996Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 4th February 1996State two reasons why a percentage yield is less than 100 percent.
- 5th February 1996State what is meant by the activation energy of a reaction.
- 6th February 1996State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 7th February 1996Explain why the baseline is drawn in pencil rather than ink.
- 8th February 1996Give one reason for taking the gradient from the line of best fit rather than from two data points.
- 9th February 1996State the equation linking potential difference, current and resistance.
- 10th February 1996Define half-life.
- 11th February 1996Explain why a larger vehicle mass increases braking distance.
- 12th February 1996State the type of force that always acts between an induced magnet and the magnet that induced it.
- 13th February 1996Name the model of the origin of the universe that is supported by red-shift observations.
- 14th February 1996Define osmosis.
- 15th February 1996Describe how phagocytes destroy pathogens in the body.
- 16th February 1996Define oxygen debt.
- 17th February 1996Explain one benefit of the Human Genome Project.
- 18th February 1996A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 19th February 1996Why do isotopes of an element react in the same way?
- 20th February 1996Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 21st February 1996Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
- 22nd February 1996In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
- 23rd February 1996State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 24th February 1996State the two products of the complete combustion of a hydrocarbon fuel.
- 25th February 1996State one way to increase the efficiency of a motor.
- 26th February 1996Why is the density of a gas much lower than that of the same substance as a liquid?
- 27th February 1996Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 28th February 1996A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 29th February 1996State what a nebula is, and explain its role in the life cycle of a star.