Daily Practice · GCSE Science
October 1969 5-a-day
Every sheet in October 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1969A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 2nd October 1969What causes the pressure of a gas on the walls of its container?
- 3rd October 1969A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 4th October 1969State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 5th October 1969State two uses of artificial satellites.
- 6th October 1969Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 7th October 1969Why are xylem cells strengthened with lignin?
- 8th October 1969Why is glucose converted into starch for storage?
- 9th October 1969State one difference between selective breeding and genetic engineering.
- 10th October 1969State one way in which high biodiversity benefits an ecosystem.
- 11th October 1969Explain how painting an iron gate helps prevent it from rusting.
- 12th October 1969Why can an ionic solid not conduct electricity?
- 13th October 1969Name the salt made from zinc oxide and nitric acid.
- 14th October 1969State what is meant by a catalyst.
- 15th October 1969State the functional group found in all carboxylic acids.
- 16th October 1969Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
- 17th October 1969Define specific heat capacity.
- 18th October 1969Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 19th October 1969State the number of protons and the number of neutrons in an alpha particle.
- 20th October 1969State the speed at which all electromagnetic waves travel through a vacuum.
- 21st October 1969A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 22nd October 1969A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 23rd October 1969Why does a food test for sugars need a water bath?
- 24th October 1969Explain what is meant by a double blind trial.
- 25th October 1969Name the two parts of the central nervous system (CNS).
- 26th October 1969Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 27th October 1969State the two main steps used to produce potable water from a fresh water source.
- 28th October 1969State the charge on a calcium ion (Group 2).
- 29th October 1969Give the formula for atom economy.
- 30th October 1969Explain, in terms of the reaction pathway, why adding a catalyst increases the rate of a reaction without changing the overall energy change of the reaction.
- 31st October 1969Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.