Daily Practice · GCSE Science
January 2004 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2004, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2004
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2004A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 2nd January 2004State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 3rd January 2004State the two products of the complete combustion of a hydrocarbon fuel.
- 4th January 2004State one way to increase the efficiency of a motor.
- 5th January 2004Why is the density of a gas much lower than that of the same substance as a liquid?
- 6th January 2004State whether friction is a contact force or a non-contact force.
- 7th January 2004State the difference between a transverse wave and a longitudinal wave.
- 8th January 2004Name the force that keeps the planets in orbit around the Sun.
- 9th January 2004Name two structures found in a plant cell but not in an animal cell.
- 10th January 2004Why is the wall of the left ventricle thicker than that of the right ventricle?
- 11th January 2004Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 12th January 2004Explain why sweating cools the body down.
- 13th January 2004State one abiotic factor that can affect the population of fish living in a pond.
- 14th January 2004Give one reason distillation of seawater requires a large energy input.
- 15th January 2004What type of bonding is present in a compound formed between a metal and a non-metal?
- 16th January 2004A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 17th January 2004State the two substances that react inside a hydrogen fuel cell.
- 18th January 2004Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 19th January 2004Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 20th January 2004Name the energy store associated with a moving car.
- 21st January 2004State the potential difference and frequency of the UK mains supply.
- 22nd January 2004What did Bohr add to the nuclear model?
- 23rd January 2004A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 24th January 2004A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.
- 25th January 2004Why must the same volume of solution be used in every tube in an enzyme investigation?
- 26th January 2004State the type of large biological molecule that all enzymes are made from.
- 27th January 2004Describe the symptoms of rose black spot and its effect on the plant.
- 28th January 2004Define homeostasis.
- 29th January 2004Give one example of variation that is caused purely by the environment rather than by genes.
- 30th January 2004A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 31st January 2004Why did Mendeleev leave gaps in his table?