Daily Practice · GCSE Science
February 1958 5-a-day
Every sheet in February 1958
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1958State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 2nd February 1958What happens to the DNA before mitosis begins?
- 3rd February 1958State two conditions that increase the rate of transpiration.
- 4th February 1958A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 5th February 1958Define the term allele.
- 6th February 1958Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 7th February 1958State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 8th February 1958Explain why graphite conducts electricity but diamond does not.
- 9th February 1958State what is observed when magnesium ribbon is added to copper sulfate solution.
- 10th February 1958State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 11th February 1958Explain why carboxylic acids are described as 'weak acids'.
- 12th February 1958Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 13th February 1958Calculate the kinetic energy of a 0.5 kg ball moving at 6 m/s.
- 14th February 1958State the correct SI unit for density.
- 15th February 1958Explain why americium-241, an alpha emitter, is suitable for use in a smoke detector.
- 16th February 1958Explain why ultraviolet radiation can be harmful to human skin.
- 17th February 1958State two ways of inducing a potential difference across a conductor using a magnetic field.
- 18th February 1958Convert 0.02 mm into micrometres (um).
- 19th February 1958Where is bile made and where is it stored?
- 20th February 1958Why does a vaccinated person not usually become ill when they meet the pathogen?
- 21st February 1958A ruler is released and falls 20 cm before being caught. Using distance = 0.5 x g x time^2 with g = 9.8 m/s^2, calculate the reaction time, to 3 significant figures.
- 22nd February 1958Name the equipment used to measure the abundance of a small plant species within a sample area.
- 23rd February 1958State one benefit of recycling metal rather than extracting new metal from its ore.
- 24th February 1958Name the three types of strong chemical bonding.
- 25th February 1958Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 26th February 1958State the energy transfer that occurs during an endothermic reaction.
- 27th February 1958Define the term 'hydrocarbon'.
- 28th February 1958A sample produces only one spot when run in three different solvents. What does this suggest about the sample?