Daily Practice · GCSE Science
September 2000 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2000, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2000
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2000Classify crude oil as finite or renewable, and justify your answer.
- 2nd September 2000Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 3rd September 2000Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 4th September 2000State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 5th September 2000State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 6th September 2000Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 7th September 2000A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 8th September 2000Give the colour and function of the earth wire.
- 9th September 2000What observation showed the nucleus is positively charged and very small?
- 10th September 2000State the equation that links pressure, force and area.
- 11th September 2000In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 12th September 2000A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 13th September 2000State two ways that bile aids the digestion of fats.
- 14th September 2000Give one way of reducing the spread of malaria.
- 15th September 2000Name the gland that monitors and controls blood glucose concentration.
- 16th September 2000Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 17th September 2000State the relative charge of a neutron.
- 18th September 2000Why do elements in the same group have similar chemical properties?
- 19th September 2000Why is the amount of product directly proportional to the amount of limiting reactant?
- 20th September 2000A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 21st September 2000State the two named reactants used in the Haber process.
- 22nd September 2000A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 23rd September 2000Give the equation for wave speed and its units.
- 24th September 2000A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 25th September 2000Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 26th September 2000A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
- 27th September 2000An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
- 28th September 2000A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
- 29th September 2000Give one risk of stem cell treatment.
- 30th September 2000Why does a potometer measure water uptake rather than transpiration directly?