Daily Practice · GCSE Science
April 1988 5-a-day
Every sheet in April 1988
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1988State the equation linking potential difference, current and resistance.
- 2nd April 1988Define half-life.
- 3rd April 1988A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 4th April 1988Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 5th April 1988State how the amount of red-shift is related to a galaxy's distance from Earth.
- 6th April 1988Define osmosis.
- 7th April 1988A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 8th April 1988State the word equation for anaerobic respiration in human muscle cells.
- 9th April 1988State whether cystic fibrosis is caused by a dominant or a recessive allele.
- 10th April 1988A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 11th April 1988Why do isotopes of an element react in the same way?
- 12th April 1988Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 13th April 1988Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 14th April 1988In the disappearing cross required practical, state the dependent variable that is measured.
- 15th April 1988State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 16th April 1988State the two products of the complete combustion of a hydrocarbon fuel.
- 17th April 1988State one way to increase the efficiency of a motor.
- 18th April 1988Why is the density of a gas much lower than that of the same substance as a liquid?
- 19th April 1988A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 20th April 1988A water wave has a wavelength of 0.4 m and a frequency of 2.5 Hz. Calculate its speed.
- 21st April 1988Explain how elements heavier than iron, such as gold, are created and distributed through the universe.
- 22nd April 1988Name two structures found in a plant cell but not in an animal cell.
- 23rd April 1988Why is the wall of the left ventricle thicker than that of the right ventricle?
- 24th April 1988State three factors that can limit the rate of photosynthesis.
- 25th April 1988State the type of diabetes in which the pancreas produces little or no insulin.
- 26th April 1988State one abiotic factor that can affect the population of fish living in a pond.
- 27th April 1988Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 28th April 1988What type of bonding is present in a compound formed between a metal and a non-metal?
- 29th April 1988Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 30th April 1988State the two substances that react inside a hydrogen fuel cell.