Daily Practice · GCSE Science
August 2005 - GCSE Science 5-a-day
Every GCSE Science sheet published in August 2005, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in August 2005
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 2005Why is the density of a gas much lower than that of the same substance as a liquid?
- 2nd August 2005Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 3rd August 2005Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 4th August 2005Name the region of the Solar System where most asteroids are found.
- 5th August 2005Name two structures found in a plant cell but not in an animal cell.
- 6th August 2005Why is the wall of the left ventricle thicker than that of the right ventricle?
- 7th August 2005Name the gas that is released as a product of photosynthesis.
- 8th August 2005A 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.
- 9th August 2005State one abiotic factor that can affect the population of fish living in a pond.
- 10th August 2005Explain why potable water is not required to be chemically pure.
- 11th August 2005What type of bonding is present in a compound formed between a metal and a non-metal?
- 12th August 2005State the name given to a reaction in which a substance loses electrons.
- 13th August 2005State the two substances that react inside a hydrogen fuel cell.
- 14th August 2005Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 15th August 2005Give two processes that removed carbon dioxide from the early atmosphere.
- 16th August 2005Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 17th August 2005State the potential difference and frequency of the UK mains supply.
- 18th August 2005What did Bohr add to the nuclear model?
- 19th August 2005State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 20th August 2005State 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.
- 21st August 2005Why must the same volume of solution be used in every tube in an enzyme investigation?
- 22nd August 2005Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 23rd August 2005Describe the symptoms of rose black spot and its effect on the plant.
- 24th August 2005State what is meant by negative feedback.
- 25th August 2005Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 26th August 2005Write the electronic structure of an atom with 12 electrons.
- 27th August 2005Why did Mendeleev leave gaps in his table?
- 28th August 2005Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
- 29th August 2005A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 30th August 2005State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 31st August 2005State the flame test colour for sodium ions.