Daily Practice · GCSE Science
February 2012 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2012, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2012
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2012A solid gives a lilac flame test. Name the metal ion present.
- 2nd February 2012Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 3rd February 2012Give the equation for efficiency in terms of energy.
- 4th February 2012Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 5th February 2012State whether friction is a contact force or a non-contact force.
- 6th February 2012A wave has a frequency of 50 Hz. Calculate its period.
- 7th February 2012Explain, in terms of forces, why an orbiting satellite does not travel off in a straight line.
- 8th February 2012State the function of the mitochondria.
- 9th February 2012Which component of blood transports carbon dioxide, urea and hormones?
- 10th February 2012Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 11th February 2012State one risk factor linked to type 2 diabetes.
- 12th February 2012A 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.
- 13th February 2012Give one reason distillation of seawater requires a large energy input.
- 14th February 2012Why can metals conduct electricity when solid?
- 15th February 2012A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 16th February 2012State whether forming a new chemical bond requires energy or releases energy.
- 17th February 2012Define the term 'homologous series'.
- 18th February 2012Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 19th February 2012Name the energy store associated with a moving car.
- 20th February 2012What is the difference between alternating and direct current?
- 21st February 2012What observation showed that the atom is mostly empty space?
- 22nd February 2012Write down the equation that links moment, force and distance.
- 23rd February 2012A 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.
- 24th February 2012In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 25th February 2012State the type of large biological molecule that all enzymes are made from.
- 26th February 2012Why can HIV not be treated with antibiotics?
- 27th February 2012Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
- 28th February 2012Define speciation.
- 29th February 2012A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.