Daily Practice · GCSE Science
October 1997 - GCSE Science 5-a-day
Every sheet in October 1997
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1997Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 2nd October 1997What type of bonding is present in a compound formed between a metal and a non-metal?
- 3rd October 1997Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 4th October 1997State the two substances that react inside a hydrogen fuel cell.
- 5th October 1997Define the term 'homologous series'.
- 6th October 1997Name three greenhouse gases.
- 7th October 1997A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 8th October 1997State the potential difference and frequency of the UK mains supply.
- 9th October 1997What did Bohr add to the nuclear model?
- 10th October 1997Write down the equation that links moment, force and distance.
- 11th October 1997A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
- 12th October 1997Why must the same volume of solution be used in every tube in an enzyme investigation?
- 13th October 1997Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
- 14th October 1997Describe the symptoms of rose black spot and its effect on the plant.
- 15th October 1997Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
- 16th October 1997Define speciation.
- 17th October 1997Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 18th October 1997Why did Mendeleev leave gaps in his table?
- 19th October 1997Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
- 20th October 1997Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 21st October 1997State the catalyst commonly used in the Haber process.
- 22nd October 1997State the flame test colour for sodium ions.
- 23rd October 1997Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
- 24th October 1997In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 25th October 1997A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
- 26th October 1997Define the term 'vector quantity' and give one example.
- 27th October 1997Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 28th October 1997State one difference between a moon and an artificial satellite.
- 29th October 1997State three functions of mitosis.
- 30th October 1997What happens to guard cells when a plant is short of water?
- 31st October 1997Write the word equation for photosynthesis.