Daily Practice · GCSE Science
October 2016 - GCSE Science 5-a-day
Every GCSE Science sheet published in October 2016, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in October 2016
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 2016A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
- 2nd October 2016Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 3rd October 2016State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 4th October 2016Distinguish repeatability from reproducibility.
- 5th October 2016How does the resistance of a thermistor change as it gets hotter?
- 6th October 2016What is an alpha particle made of?
- 7th October 2016State two factors that increase a driver's thinking distance.
- 8th October 2016Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 9th October 2016State, in one sentence, what the Big Bang model proposes about the early universe.
- 10th October 2016Explain why a plant cell placed in pure water does not burst.
- 11th October 2016Explain 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.
- 12th October 2016A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 13th October 2016A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
- 14th October 2016In the rate experiment where a cross disappears, why is the result subjective?
- 15th October 2016An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 16th October 2016Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 17th October 2016Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 18th October 2016Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 19th October 2016A solid gives a lilac flame test. Name the metal ion present.
- 20th October 2016Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 21st October 2016Give the equation for efficiency in terms of energy.
- 22nd October 2016Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 23rd October 2016A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 24th October 2016Sound waves travel through a steel rail at approximately 5900 m/s. A sound wave sent along the rail has a frequency of 2950 Hz. Calculate its wavelength.
- 25th October 2016State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 26th October 2016State the function of the mitochondria.
- 27th October 2016Which component of blood transports carbon dioxide, urea and hormones?
- 28th October 2016A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 29th October 2016Name the gland often called the body's master gland.
- 30th October 2016A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
- 31st October 2016Classify crude oil as finite or renewable, and justify your answer.