Daily Practice · GCSE Science
February 2001 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2001, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2001
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2001Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 2nd February 2001Give the equation for efficiency in terms of energy.
- 3rd February 2001Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 4th February 2001A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 5th February 2001A wave has a period of 0.005 s. Calculate its frequency.
- 6th February 2001State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 7th February 2001State the function of the mitochondria.
- 8th February 2001Which component of blood transports carbon dioxide, urea and hormones?
- 9th February 2001Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 10th February 2001Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 11th February 2001A 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.
- 12th February 2001State what is meant by sustainable development.
- 13th February 2001Why can metals conduct electricity when solid?
- 14th February 2001State the pH value of a neutral solution.
- 15th February 2001State whether forming a new chemical bond requires energy or releases energy.
- 16th February 2001State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 17th February 2001Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 18th February 2001A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 19th February 2001What is the difference between alternating and direct current?
- 20th February 2001What observation showed that the atom is mostly empty space?
- 21st February 2001Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
- 22nd February 2001State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
- 23rd February 2001In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 24th February 2001An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 25th February 2001Why can HIV not be treated with antibiotics?
- 26th February 2001A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 27th February 2001Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 28th February 2001An atom has atomic number 11 and mass number 23. State the number of protons.