Daily Practice · GCSE Science
March 2000 - GCSE Science 5-a-day
Every GCSE Science sheet published in March 2000, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in March 2000
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 2000Describe how phagocytes destroy pathogens in the body.
- 2nd March 2000State the word equation for aerobic respiration.
- 3rd March 2000State one ethical concern raised by embryo screening.
- 4th March 2000Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 5th March 2000Define an isotope.
- 6th March 2000A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 7th March 2000State the name given to the negative electrode in electrolysis.
- 8th March 2000Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
- 9th March 2000State the difference between a pure substance and a formulation.
- 10th March 2000Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 11th March 2000Name three renewable energy resources.
- 12th March 2000State the equation for density.
- 13th March 2000Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 14th March 2000Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 15th March 2000Name the region of the Solar System where most asteroids are found.
- 16th March 2000Why is a stain such as iodine used when preparing a slide?
- 17th March 2000Give two adaptations of a red blood cell.
- 18th March 2000Name the gas that is released as a product of photosynthesis.
- 19th March 2000A 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.
- 20th March 2000Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 21st March 2000Explain why potable water is not required to be chemically pure.
- 22nd March 2000Define a covalent bond.
- 23rd March 2000State the name given to a reaction in which a substance loses electrons.
- 24th March 2000State the difference between a rechargeable cell and a non-rechargeable cell.
- 25th March 2000Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 26th March 2000Give two processes that removed carbon dioxide from the early atmosphere.
- 27th March 2000Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 28th March 2000Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 29th March 2000State the approximate radius of a nucleus compared with the radius of an atom.
- 30th March 2000State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 31st March 2000State the name of the rule used to find the direction of the force on a current-carrying wire in a magnetic field, and name the three quantities it relates.