Daily Practice · GCSE Science
May 2007 - GCSE Science 5-a-day
Every GCSE Science sheet published in May 2007, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in May 2007
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2007Distinguish repeatability from reproducibility.
- 2nd May 2007How does the resistance of a thermistor change as it gets hotter?
- 3rd May 2007What is an alpha particle made of?
- 4th May 2007Explain, using Newton's Third Law, why a swimmer is able to push themselves forward by pushing backward against the water.
- 5th May 2007State what happens to the magnetic field around a straight current-carrying wire if the direction of the current is reversed.
- 6th May 2007State what red-shift shows about the motion of most distant galaxies.
- 7th May 2007Explain why a plant cell placed in pure water does not burst.
- 8th May 2007Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 9th May 2007State the word equation for aerobic respiration.
- 10th May 2007State one ethical concern raised by embryo screening.
- 11th May 2007In the rate experiment where a cross disappears, why is the result subjective?
- 12th May 2007An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 13th May 2007Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 14th May 2007State the name given to the negative electrode in electrolysis.
- 15th May 2007Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 16th May 2007A solid gives a lilac flame test. Name the metal ion present.
- 17th May 2007Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 18th May 2007Give the equation for efficiency in terms of energy.
- 19th May 2007Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 20th May 2007A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 21st May 2007Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 22nd May 2007Name the region of the Solar System where most asteroids are found.
- 23rd May 2007State the function of the mitochondria.
- 24th May 2007Which component of blood transports carbon dioxide, urea and hormones?
- 25th May 2007A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 26th May 2007A person's blood glucose concentration is 4.8 mmol/dm^3 before breakfast and 7.2 mmol/dm^3 after breakfast. Calculate the increase in blood glucose concentration.
- 27th May 2007A 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.
- 28th May 2007Classify crude oil as finite or renewable, and justify your answer.
- 29th May 2007Why can metals conduct electricity when solid?
- 30th May 2007Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 31st May 2007State whether forming a new chemical bond requires energy or releases energy.