Daily Practice · GCSE Science
August 2001 - GCSE Science 5-a-day
Every GCSE Science sheet published in August 2001, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in August 2001
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 2001Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 2nd August 2001Why does the national grid transmit electricity at a very high potential difference?
- 3rd August 2001Why is the atomic model a good example of how scientific models change?
- 4th August 2001A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 5th August 2001Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 6th August 2001Define the independent variable.
- 7th August 2001Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 8th August 2001Name the type of pathogen that causes malaria.
- 9th August 2001Name the three parts common to every homeostatic control system.
- 10th August 2001State one advantage and one disadvantage of selective breeding in farm animals.
- 11th August 2001Write the electronic structure of an atom with 12 electrons.
- 12th August 2001Why are the noble gases unreactive?
- 13th August 2001How many atoms are there in 0.5 mol of helium?
- 14th August 2001A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 15th August 2001In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 16th August 2001Describe the test, and the positive result, for ammonium ions.
- 17th August 2001Convert 3.5 kJ into joules.
- 18th August 2001State the UK mains supply frequency and typical potential difference.
- 19th August 2001How is the temperature of a gas related to the motion of its molecules?
- 20th August 2001A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 21st August 2001A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
- 22nd August 2001Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 23rd August 2001How many pairs of chromosomes are there in a human body cell?
- 24th August 2001Where are most stomata found on a typical leaf, and why?
- 25th August 2001Name four limiting factors of photosynthesis.
- 26th August 2001Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 27th August 2001State what is meant by the term biodiversity.
- 28th August 2001Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 29th August 2001Give one use of nanoparticles and one associated risk.
- 30th August 2001Give the ionic equation for neutralisation.
- 31st August 2001State what is shown on a rate graph when the line for the volume of gas produced becomes horizontal (flat).