Daily Practice · GCSE Science
March 1958 5-a-day
Every sheet in March 1958
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1958Why should a line of best fit be drawn rather than joining the plotted points?
- 2nd March 1958In a parallel circuit, how do the branch currents relate to the total current?
- 3rd March 1958State the approximate radius of an atom.
- 4th March 1958A shopping trolley has a mass of 25 kg. Calculate its weight, taking g = 9.8 N/kg.
- 5th March 1958A student wraps a coil of insulated wire around an iron nail and connects it to a battery. Name the device this creates, and state one way to increase its magnetic field strength.
- 6th March 1958Explain why red-shift observations support the idea that the universe is expanding, rather than Earth simply being at the centre of the universe with everything moving away from it.
- 7th March 1958Give one adaptation of a root hair cell for absorbing mineral ions.
- 8th March 1958State one way that pathogens can be spread from person to person.
- 9th March 1958Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.
- 10th March 1958A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 11th March 1958Why is a polystyrene cup with a lid used in energy-change experiments?
- 12th March 1958Write the electronic structure of a magnesium atom (12 electrons).
- 13th March 1958A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 14th March 1958In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 15th March 1958Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 16th March 1958Name the gas that relights a glowing splint.
- 17th March 1958Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 18th March 1958Define power and give its unit.
- 19th March 1958Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 20th March 1958State whether friction is a contact force or a non-contact force.
- 21st March 1958A wave has a frequency of 50 Hz. Calculate its period.
- 22nd March 1958Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 23rd March 1958Give one advantage of a light microscope over an electron microscope.
- 24th March 1958Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 25th March 1958Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 26th March 1958State one risk factor linked to type 2 diabetes.
- 27th March 1958Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 28th March 1958Give one reason distillation of seawater requires a large energy input.
- 29th March 1958Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 30th March 1958A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 31st March 1958State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.