Daily Practice · GCSE Science
May 1979 5-a-day
Every sheet in May 1979
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 1979State the function of the valves in the heart and in veins.
- 2nd May 1979Name the organelle in a plant cell where photosynthesis takes place.
- 3rd May 1979State the type of diabetes in which the pancreas produces little or no insulin.
- 4th May 1979The Arctic fox has small, rounded ears compared with the desert fennec fox, which has very large ears. State whether this is a structural, behavioural or functional adaptation, and explain how it helps the Arctic fox survive.
- 5th May 1979Name one method used to sterilise fresh water during the production of potable water.
- 6th May 1979Write the formula of calcium chloride and explain the ratio.
- 7th May 1979Write the word equation for the reaction between zinc and hydrochloric acid.
- 8th May 1979Hydrogen reacts with chlorine to form hydrogen chloride: H2 + Cl2 -> 2HCl. Use the bond energies given to calculate the overall energy change for this reaction. Bond energies: H-H = 436 kJ/mol, Cl-Cl = 243 kJ/mol, H-Cl = 432 kJ/mol.
- 9th May 1979Describe the colour change seen when an alkene is shaken with bromine water.
- 10th May 1979State the approximate percentage of nitrogen in today's atmosphere.
- 11th May 1979A spring is compressed. Which energy store increases?
- 12th May 1979Give the equation linking energy transferred, charge flow and potential difference.
- 13th May 1979Who provided the evidence for the existence of the neutron, and roughly when relative to the nuclear model?
- 14th May 1979State the name of the upward force acting on an object placed in a fluid.
- 15th May 1979A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
- 16th May 1979Why does taking repeat readings and calculating a mean improve the data?
- 17th May 1979Name the organ system responsible for breaking food down into small, soluble molecules.
- 18th May 1979State two ways measles is prevented from spreading.
- 19th May 1979State one difference between nervous and hormonal coordination.
- 20th May 1979State what is meant by a selection pressure.
- 21st May 1979An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 22nd May 1979Give two observations when lithium is added to water.
- 23rd May 1979State the value of the Avogadro constant and what it counts.
- 24th May 1979Give one everyday example of an endothermic process.
- 25th May 1979State Le Chatelier's principle in your own words.
- 26th May 1979Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 27th May 1979Write the equation linking power, energy and time, and rearrange it for time.
- 28th May 1979A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 29th May 1979A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 30th May 1979On a velocity-time graph, what does the area between the line and the time axis represent?
- 31st May 1979State the speed of all electromagnetic waves travelling through a vacuum.