Daily Practice · GCSE Science
November 1958 5-a-day
Every sheet in November 1958
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1958State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 2nd November 1958How is the uncertainty in a set of repeated readings usually estimated?
- 3rd November 1958Define electric current.
- 4th November 1958A source has a half-life of 5 days and an initial activity of 1600 Bq. What is its activity after 15 days?
- 5th November 1958Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
- 6th November 1958State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
- 7th November 1958State what red-shift shows about the motion of most distant galaxies.
- 8th November 1958Calculate the surface area to volume ratio of a cube of side 2 cm.
- 9th November 1958Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 10th November 1958State the word equation for aerobic respiration.
- 11th November 1958State one ethical concern raised by embryo screening.
- 12th November 1958Give the resolution of a burette that can be read to the nearest half of a small division.
- 13th November 1958Why is an atom electrically neutral?
- 14th November 1958State the law of conservation of mass.
- 15th November 1958State the name given to the negative electrode in electrolysis.
- 16th November 1958Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 17th November 1958Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
- 18th November 1958Explain why carbon monoxide is dangerous even though it has no smell.
- 19th November 1958Why can no device be 100 percent efficient?
- 20th November 1958Why is melting described as a physical change?
- 21st November 1958A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 22nd November 1958Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 23rd November 1958Name the region of the Solar System where most asteroids are found.
- 24th November 1958Convert 0.05 mm into micrometres.
- 25th November 1958State the function of the valves in the heart and in veins.
- 26th November 1958A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 27th November 1958A person's blood glucose concentration is 4.8 mmol/dm^3 before breakfast and 7.2 mmol/dm^3 after breakfast. Calculate the increase in blood glucose concentration.
- 28th November 1958The 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.
- 29th November 1958Classify crude oil as finite or renewable, and justify your answer.
- 30th November 1958Write the formula of calcium chloride and explain the ratio.