Daily Practice · GCSE Science
February 2006 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2006, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2006
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2006Why does taking repeat readings and calculating a mean improve the data?
- 2nd February 2006State two ways that bile aids the digestion of fats.
- 3rd February 2006State two ways measles is prevented from spreading.
- 4th February 2006Name the gland that monitors and controls blood glucose concentration.
- 5th February 2006Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 6th February 2006State the relative charge of a neutron.
- 7th February 2006Give two observations when lithium is added to water.
- 8th February 2006State the value of the Avogadro constant and what it counts.
- 9th February 2006A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 10th February 2006State the two named reactants used in the Haber process.
- 11th February 2006Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 12th February 2006Write the equation linking power, energy and time, and rearrange it for time.
- 13th February 2006A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 14th February 2006A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 15th February 2006A ball decelerates uniformly from 18 m/s to 0 m/s over a distance of 2.7 m while being caught. Using (final velocity)^2 = (initial velocity)^2 + 2 x acceleration x distance, calculate its deceleration.
- 16th February 2006An X-ray has a wavelength of 1 x 10^-10 m. Calculate its frequency (speed of light = 3 x 10^8 m/s).
- 17th February 2006A satellite in a stable, small-radius, close orbit around the Earth is compared with a satellite in a stable, large-radius, distant orbit. State which of the two satellites has the greater orbital speed.
- 18th February 2006Define an undifferentiated cell.
- 19th February 2006Which tissue transports water and mineral ions from the roots?
- 20th February 2006Give three uses of the glucose produced in photosynthesis.
- 21st February 2006Give one piece of evidence that supports Darwin's theory of evolution by natural selection.
- 22nd February 2006A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 23rd February 2006Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 24th February 2006Why do polymers have higher melting points than small molecules such as methane?
- 25th February 2006Complete: acid + metal carbonate gives ...
- 26th February 2006State the four factors that can increase the rate of a chemical reaction.
- 27th February 2006Name the two methods used to produce ethanol industrially.
- 28th February 2006Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.