Daily Practice · GCSE Science
March 2013 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2013, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2013
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2013A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 2nd March 2013Why should a line of best fit be drawn rather than joining the plotted points?
- 3rd March 2013In a parallel circuit, how do the branch currents relate to the total current?
- 4th March 2013State the approximate radius of an atom.
- 5th March 2013State two factors that increase a driver's thinking distance.
- 6th March 2013Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 7th March 2013State, in one sentence, what the Big Bang model proposes about the early universe.
- 8th March 2013Give one adaptation of a root hair cell for absorbing mineral ions.
- 9th March 2013Which type of pathogen causes athlete's foot, a fungal skin infection?
- 10th March 2013A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 11th March 2013A 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.
- 12th March 2013Why is a polystyrene cup with a lid used in energy-change experiments?
- 13th March 2013Write the electronic structure of a magnesium atom (12 electrons).
- 14th March 2013A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 15th March 2013Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 16th March 2013Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 17th March 2013Name the gas that relights a glowing splint.
- 18th March 2013Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 19th March 2013Define power and give its unit.
- 20th March 2013Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 21st March 2013A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 22nd March 2013Sound 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.
- 23rd March 2013State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 24th March 2013Give one advantage of a light microscope over an electron microscope.
- 25th March 2013Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 26th March 2013Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 27th March 2013Name the gland often called the body's master gland.
- 28th March 2013Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 29th March 2013State what is meant by sustainable development.
- 30th March 2013Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 31st March 2013State the pH value of a neutral solution.