Daily Practice · GCSE Science
January 1974 5-a-day
Every sheet in January 1974
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 1974Why is the amount of product directly proportional to the amount of limiting reactant?
- 2nd January 1974Give one everyday example of an endothermic process.
- 3rd January 1974State Le Chatelier's principle in your own words.
- 4th January 1974A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 5th January 1974Give the equation for wave speed and its units.
- 6th January 1974A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 7th January 1974Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 8th January 1974On a velocity-time graph, what does the area between the line and the time axis represent?
- 9th January 1974State the speed of all electromagnetic waves travelling through a vacuum.
- 10th January 1974State the name of the force that keeps a satellite in orbit around the Earth.
- 11th January 1974Give one risk of stem cell treatment.
- 12th January 1974Why does a potometer measure water uptake rather than transpiration directly?
- 13th January 1974Why does the rate of photosynthesis fall at very high temperatures?
- 14th January 1974A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.
- 15th January 1974Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
- 16th January 1974State the four stages considered in a life cycle assessment.
- 17th January 1974Why does simple molecular carbon dioxide have a much lower melting point than giant covalent silicon dioxide?
- 18th January 1974Define oxidation in terms of electrons.
- 19th January 1974State two units that the rate of a reaction can be measured in.
- 20th January 1974Name the small molecule typically released as a by-product during condensation polymerisation.
- 21st January 1974Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
- 22nd January 1974A 3 kg object is raised 2 m. Calculate the gravitational potential energy gained. (g = 9.8 N/kg)
- 23rd January 1974A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
- 24th January 1974A GM tube detects a count rate of 240 counts per minute from a source. After 15 days the count rate has fallen to 30 counts per minute. Show that this data is consistent with a half-life of 5 days.
- 25th January 1974A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 26th January 1974A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 27th January 1974A cube-shaped model cell has sides of length 3 cm. Calculate the surface area to volume ratio of the cube. Give your answer in the form n : 1.
- 28th January 1974State two functions of bile.
- 29th January 1974What is an antigen?
- 30th January 1974Define a synapse.
- 31st January 1974Give one example of an abiotic factor that could affect where a plant species grows.