Daily Practice · GCSE Science
February 2008 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2008, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2008State the difference between a rechargeable cell and a non-rechargeable cell.
- 2nd February 2008Describe the colour change seen when an alkene is shaken with bromine water.
- 3rd February 2008Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 4th February 2008Name the energy store associated with a moving car.
- 5th February 2008Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 6th February 2008State the approximate radius of a nucleus compared with the radius of an atom.
- 7th February 2008State the name of the upward force acting on an object placed in a fluid.
- 8th February 2008A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
- 9th February 2008State the difference between resolution and accuracy.
- 10th February 2008State the type of large biological molecule that all enzymes are made from.
- 11th February 2008How do bacteria make a person feel ill?
- 12th February 2008State one difference between nervous and hormonal coordination.
- 13th February 2008State what is meant by a selection pressure.
- 14th February 2008A 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.
- 15th February 2008On what property are elements ordered in the modern periodic table?
- 16th February 2008In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 17th February 2008Using the values in the previous question, calculate the overall energy change for the reaction.
- 18th February 2008State Le Chatelier's principle in your own words.
- 19th February 2008Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 20th February 2008State the equation for work done.
- 21st February 2008A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 22nd February 2008State the relationship between pressure and volume for a fixed mass of gas at constant temperature.
- 23rd February 2008On a velocity-time graph, what does the area between the line and the time axis represent?
- 24th February 2008State the speed of all electromagnetic waves travelling through a vacuum.
- 25th February 2008State the name of the force that keeps a satellite in orbit around the Earth.
- 26th February 2008Where in a plant are stem cells found?
- 27th February 2008Name the process by which dissolved sugars are transported in the phloem.
- 28th February 2008Why is photosynthesis described as endothermic?
- 29th February 2008A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.