Daily Practice · GCSE Science
January 1975 5-a-day
Every sheet in January 1975
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 1975Define the resolution of a measuring instrument.
- 2nd January 1975Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 3rd January 1975Which type of radiation is stopped by a sheet of paper?
- 4th January 1975Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
- 5th January 1975State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
- 6th January 1975State what red-shift shows about the motion of most distant galaxies.
- 7th January 1975Why does active transport require energy?
- 8th January 1975Explain 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.
- 9th January 1975State the word equation for aerobic respiration.
- 10th January 1975State one ethical concern raised by embryo screening.
- 11th January 1975Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 12th January 1975Define an isotope.
- 13th January 1975A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 14th January 1975State the name given to the negative electrode in electrolysis.
- 15th January 1975Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 16th January 1975State the difference between a pure substance and a formulation.
- 17th January 1975Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 18th January 1975Name three renewable energy resources.
- 19th January 1975State the equation for density.
- 20th January 1975A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 21st January 1975Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 22nd January 1975Name the region of the Solar System where most asteroids are found.
- 23rd January 1975Why is a stain such as iodine used when preparing a slide?
- 24th January 1975Give two adaptations of a red blood cell.
- 25th January 1975A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 26th January 1975A 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.
- 27th January 1975Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 28th January 1975Classify crude oil as finite or renewable, and justify your answer.
- 29th January 1975Define a covalent bond.
- 30th January 1975Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 31st January 1975State the difference between a rechargeable cell and a non-rechargeable cell.