Daily Practice · GCSE Science
July 2006 - GCSE Science 5-a-day
Every GCSE Science sheet published in July 2006, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in July 2006
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st July 2006Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 2nd July 2006Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 3rd July 2006Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 4th July 2006State what is meant by sustainable development.
- 5th July 2006Define a covalent bond.
- 6th July 2006State the pH value of a neutral solution.
- 7th July 2006State the difference between a rechargeable cell and a non-rechargeable cell.
- 8th July 2006State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 9th July 2006Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 10th July 2006A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 11th July 2006Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 12th July 2006State the approximate radius of a nucleus compared with the radius of an atom.
- 13th July 2006Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
- 14th July 2006State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
- 15th July 2006State the difference between resolution and accuracy.
- 16th July 2006An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 17th July 2006How do bacteria make a person feel ill?
- 18th July 2006A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 19th July 2006Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 20th July 2006An atom has atomic number 11 and mass number 23. State the number of protons.
- 21st July 2006On what property are elements ordered in the modern periodic table?
- 22nd July 2006In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 23rd July 2006State whether the combustion of methane is exothermic or endothermic.
- 24th July 2006State what is meant by dynamic equilibrium.
- 25th July 2006Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 26th July 2006State the equation for work done.
- 27th July 2006Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 28th July 2006State the relationship between pressure and volume for a fixed mass of gas at constant temperature.
- 29th July 2006A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 30th July 2006State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 31st July 2006State what provides the centripetal force that keeps a planet in orbit around the Sun.