Daily Practice · GCSE Science
February 1963 5-a-day
Every sheet in February 1963
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1963State the two main steps used to produce potable water from a fresh water source.
- 2nd February 1963State the charge on a calcium ion (Group 2).
- 3rd February 1963State two reasons why a percentage yield is less than 100 percent.
- 4th February 1963State what is meant by the activation energy of a reaction.
- 5th February 1963State what happens to the boiling point of hydrocarbons as their chain length increases.
- 6th February 1963Explain why the baseline is drawn in pencil rather than ink.
- 7th February 1963Give one reason for taking the gradient from the line of best fit rather than from two data points.
- 8th February 1963State the equation linking potential difference, current and resistance.
- 9th February 1963Define half-life.
- 10th February 1963A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 11th February 1963Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 12th February 1963State how the amount of red-shift is related to a galaxy's distance from Earth.
- 13th February 1963Define osmosis.
- 14th February 1963Name the vector that spreads the protist pathogen that causes malaria.
- 15th February 1963State the word equation for anaerobic respiration in human muscle cells.
- 16th February 1963State whether cystic fibrosis is caused by a dominant or a recessive allele.
- 17th February 1963A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 18th February 1963Why do isotopes of an element react in the same way?
- 19th February 1963Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 20th February 1963Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 21st February 1963In the disappearing cross required practical, state the dependent variable that is measured.
- 22nd February 1963State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 23rd February 1963State the two products of the complete combustion of a hydrocarbon fuel.
- 24th February 1963State one way to increase the efficiency of a motor.
- 25th February 1963Why is the density of a gas much lower than that of the same substance as a liquid?
- 26th February 1963A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 27th February 1963A water wave has a wavelength of 0.4 m and a frequency of 2.5 Hz. Calculate its speed.
- 28th February 1963Explain how elements heavier than iron, such as gold, are created and distributed through the universe.