Daily Practice · GCSE Science
August 1988 5-a-day
Every sheet in August 1988
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 1988A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 2nd August 1988Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 3rd August 1988State the relative charge of a neutron.
- 4th August 1988State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 5th August 1988Define the limiting reactant.
- 6th August 1988A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 7th August 1988State what is meant by dynamic equilibrium.
- 8th August 1988Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 9th August 1988Why should you write down the equation even if you cannot finish the calculation?
- 10th August 1988A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 11th August 1988What causes the pressure of a gas on the walls of its container?
- 12th August 1988A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 13th August 1988State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 14th August 1988State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 15th August 1988Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 16th August 1988Why are xylem cells strengthened with lignin?
- 17th August 1988Why is glucose converted into starch for storage?
- 18th August 1988Define the term allele.
- 19th August 1988State one way in which high biodiversity benefits an ecosystem.
- 20th August 1988Explain how painting an iron gate helps prevent it from rusting.
- 21st August 1988Why can an ionic solid not conduct electricity?
- 22nd August 1988Name the salt made from zinc oxide and nitric acid.
- 23rd August 1988State what is meant by a catalyst.
- 24th August 1988Explain why carboxylic acids are described as 'weak acids'.
- 25th August 1988Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 26th August 1988Define specific heat capacity.
- 27th August 1988Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 28th August 1988State the number of protons and the number of neutrons in an alpha particle.
- 29th August 1988Explain why ultraviolet radiation can be harmful to human skin.
- 30th August 1988State two ways of inducing a potential difference across a conductor using a magnetic field.
- 31st August 1988A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).