Daily Practice · GCSE Science
January 1988 5-a-day
Every sheet in January 1988
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 1988State the type of effector that produces a physical response by contracting.
- 2nd January 1988Give one example of a biotic factor that could affect a population of rabbits.
- 3rd January 1988Name two methods of desalinating seawater.
- 4th January 1988Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 5th January 1988Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 6th January 1988State the energy transfer that occurs during an endothermic reaction.
- 7th January 1988Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 8th January 1988A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 9th January 1988Why should a line of best fit be drawn rather than joining the plotted points?
- 10th January 1988In a parallel circuit, how do the branch currents relate to the total current?
- 11th January 1988State the approximate radius of an atom.
- 12th January 1988State two factors that increase a driver's thinking distance.
- 13th January 1988Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 14th January 1988State, in one sentence, what the Big Bang model proposes about the early universe.
- 15th January 1988Give one adaptation of a root hair cell for absorbing mineral ions.
- 16th January 1988Describe how phagocytes destroy pathogens in the body.
- 17th January 1988A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 18th January 1988A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
- 19th January 1988Why is a polystyrene cup with a lid used in energy-change experiments?
- 20th January 1988Write the electronic structure of a magnesium atom (12 electrons).
- 21st January 1988A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 22nd January 1988Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 23rd January 1988Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 24th January 1988Name the gas that relights a glowing splint.
- 25th January 1988Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 26th January 1988Define power and give its unit.
- 27th January 1988Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 28th January 1988Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 29th January 1988Sound 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.
- 30th January 1988State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 31st January 1988Give one advantage of a light microscope over an electron microscope.