Daily Practice · GCSE Science
December 1997 - GCSE Science 5-a-day
Every sheet in December 1997
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1997Explain why a plant cell placed in pure water does not burst.
- 2nd December 1997Explain 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.
- 3rd December 1997Define oxygen debt.
- 4th December 1997Explain one benefit of the Human Genome Project.
- 5th December 1997In the rate experiment where a cross disappears, why is the result subjective?
- 6th December 1997An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 7th December 1997Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 8th December 1997Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
- 9th December 1997In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
- 10th December 1997A solid gives a lilac flame test. Name the metal ion present.
- 11th December 1997Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
- 12th December 1997Give the equation for efficiency in terms of energy.
- 13th December 1997Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 14th December 1997A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 15th December 1997A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 16th December 1997State what a nebula is, and explain its role in the life cycle of a star.
- 17th December 1997State the function of the mitochondria.
- 18th December 1997Which component of blood transports carbon dioxide, urea and hormones?
- 19th December 1997A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 20th December 1997Name the hormone released by the adrenal glands that prepares the body for fight or flight.
- 21st December 1997A 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.
- 22nd December 1997Classify crude oil as finite or renewable, and justify your answer.
- 23rd December 1997Why can metals conduct electricity when solid?
- 24th December 1997Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 25th December 1997State whether forming a new chemical bond requires energy or releases energy.
- 26th December 1997State the general formula of the alkenes.
- 27th December 1997Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 28th December 1997A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 29th December 1997What is the difference between alternating and direct current?
- 30th December 1997What observation showed that the atom is mostly empty space?
- 31st December 1997A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.