Daily Practice · GCSE Science
January 2019 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2019, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2019
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2019In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 2nd January 2019Define the resolution of a measuring instrument.
- 3rd January 2019Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 4th January 2019Which type of radiation is stopped by a sheet of paper?
- 5th January 2019Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 6th January 2019Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 7th January 2019Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 8th January 2019Why does active transport require energy?
- 9th January 2019Describe how phagocytes destroy pathogens in the body.
- 10th January 2019A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 11th January 2019State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 12th January 2019Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 13th January 2019Define an isotope.
- 14th January 2019A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 15th January 2019In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 16th January 2019State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 17th January 2019State the difference between a pure substance and a formulation.
- 18th January 2019Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 19th January 2019Name three renewable energy resources.
- 20th January 2019State the equation for density.
- 21st January 2019Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 22nd January 2019A wave has a period of 0.005 s. Calculate its frequency.
- 23rd January 2019State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 24th January 2019Why is a stain such as iodine used when preparing a slide?
- 25th January 2019Give two adaptations of a red blood cell.
- 26th January 2019Name the gas that is released as a product of photosynthesis.
- 27th January 2019Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 28th January 2019Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 29th January 2019Explain why potable water is not required to be chemically pure.
- 30th January 2019Define a covalent bond.
- 31st January 2019State the name given to a reaction in which a substance loses electrons.