Daily Practice · GCSE Science
September 2015 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2015, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2015
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2015State the relative mass and relative charge of a neutron.
- 2nd September 2015Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 3rd September 2015In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 4th September 2015Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
- 5th September 2015Which reagent is added, and in what colour change, to test for chlorine gas?
- 6th September 2015Explain how solid carbon particulates released by combustion can cause global dimming.
- 7th September 2015A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 8th September 2015Define specific latent heat of fusion.
- 9th September 2015A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 10th September 2015A wave has a frequency of 50 Hz. Calculate its period.
- 11th September 2015Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 12th September 2015Give the equation linking magnification, image size and real size.
- 13th September 2015Give one advantage and one disadvantage of a stent.
- 14th September 2015Name the organelle in a plant cell where photosynthesis takes place.
- 15th September 2015State one risk factor linked to type 2 diabetes.
- 16th September 2015State what is meant by the term ecosystem.
- 17th September 2015Name one method used to sterilise fresh water during the production of potable water.
- 18th September 2015Describe metallic bonding.
- 19th September 2015Write the word equation for the reaction between zinc and hydrochloric acid.
- 20th September 2015State whether breaking a chemical bond requires energy or releases energy.
- 21st September 2015Define the term 'homologous series'.
- 22nd September 2015State the approximate percentage of nitrogen in today's atmosphere.
- 23rd September 2015A spring is compressed. Which energy store increases?
- 24th September 2015Why does the national grid transmit electricity at a very high potential difference?
- 25th September 2015Why is the atomic model a good example of how scientific models change?
- 26th September 2015Write down the equation that links moment, force and distance.
- 27th September 2015A wire of length 0.20 m carries a current of 5.0 A at right angles to a magnetic field of flux density 0.60 T. Calculate the force on the wire.
- 28th September 2015Define the independent variable.
- 29th September 2015Name the organ system responsible for breaking food down into small, soluble molecules.
- 30th September 2015Name the type of pathogen that causes malaria.