Daily Practice · GCSE Science
October 2012 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2012, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2012
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2012A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 2nd October 2012State the name given to the negative electrode in electrolysis.
- 3rd October 2012Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 4th October 2012State the difference between a pure substance and a formulation.
- 5th October 2012Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 6th October 2012Name three renewable energy resources.
- 7th October 2012State the equation for density.
- 8th October 2012A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 9th October 2012Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 10th October 2012Name the region of the Solar System where most asteroids are found.
- 11th October 2012Why is a stain such as iodine used when preparing a slide?
- 12th October 2012Give two adaptations of a red blood cell.
- 13th October 2012A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 14th October 2012A 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.
- 15th October 2012Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 16th October 2012Classify crude oil as finite or renewable, and justify your answer.
- 17th October 2012Define a covalent bond.
- 18th October 2012Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 19th October 2012State the difference between a rechargeable cell and a non-rechargeable cell.
- 20th October 2012Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 21st October 2012Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 22nd October 2012A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 23rd October 2012Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 24th October 2012State the approximate radius of a nucleus compared with the radius of an atom.
- 25th October 2012State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 26th October 2012State the name of the rule used to find the direction of the force on a current-carrying wire in a magnetic field, and name the three quantities it relates.
- 27th October 2012State the difference between resolution and accuracy.
- 28th October 2012State two ways that bile aids the digestion of fats.
- 29th October 2012How do bacteria make a person feel ill?
- 30th October 2012State what is meant by negative feedback.
- 31st October 2012Name the scientist who proposed the three-domain system of classification, and name the three domains.