Daily Practice · GCSE Science
November 2007 - GCSE Science 5-a-day
Every GCSE Science sheet published in November 2007, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in November 2007
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 2007Sound waves travel through a steel rail at approximately 5900 m/s. A sound wave sent along the rail has a frequency of 2950 Hz. Calculate its wavelength.
- 2nd November 2007State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 3rd November 2007Give the equation linking magnification, image size and real size.
- 4th November 2007Give one advantage and one disadvantage of a stent.
- 5th November 2007Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 6th November 2007Name the gland often called the body's master gland.
- 7th November 2007State what is meant by the term ecosystem.
- 8th November 2007State what is meant by sustainable development.
- 9th November 2007Describe metallic bonding.
- 10th November 2007State the pH value of a neutral solution.
- 11th November 2007State whether breaking a chemical bond requires energy or releases energy.
- 12th November 2007State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 13th November 2007Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 14th November 2007A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 15th November 2007Why does the national grid transmit electricity at a very high potential difference?
- 16th November 2007Why is the atomic model a good example of how scientific models change?
- 17th November 2007State the equation that links pressure, force and area.
- 18th November 2007In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 19th November 2007Define the independent variable.
- 20th November 2007An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 21st November 2007Name the type of pathogen that causes malaria.
- 22nd November 2007Name the gland that monitors and controls blood glucose concentration.
- 23rd November 2007Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 24th November 2007An atom has atomic number 11 and mass number 23. State the number of protons.
- 25th November 2007Why are the noble gases unreactive?
- 26th November 2007How many atoms are there in 0.5 mol of helium?
- 27th November 2007State whether the combustion of methane is exothermic or endothermic.
- 28th November 2007State the two named reactants used in the Haber process.
- 29th November 2007Describe the test, and the positive result, for ammonium ions.
- 30th November 2007Convert 3.5 kJ into joules.