Daily Practice · GCSE Science
September 1995 - GCSE Science 5-a-day
Every sheet in September 1995
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1995Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 2nd September 1995Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 3rd September 1995State three factors that increase the rate of diffusion.
- 4th September 1995Which type of pathogen causes athlete's foot, a fungal skin infection?
- 5th September 1995A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 6th September 1995State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 7th September 1995What does 'concordant' mean when applied to titres?
- 8th September 1995What did the alpha scattering experiment show that the plum pudding model could not explain?
- 9th September 1995Magnesium is burned in an open crucible and the mass increases. Explain why.
- 10th September 1995In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 11th September 1995State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 12th September 1995Describe the result of the test for carbon dioxide.
- 13th September 1995Give one piece of evidence used to link human activity to recent climate change.
- 14th September 1995Give one advantage and one disadvantage of wind power.
- 15th September 1995Why does the temperature stay constant while a substance boils?
- 16th September 1995A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 17th September 1995A wave has a period of 0.005 s. Calculate its frequency.
- 18th September 1995State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 19th September 1995Where is the DNA found in a bacterial cell?
- 20th September 1995Name the substance in red blood cells that binds oxygen.
- 21st September 1995Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 22nd September 1995Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 23rd September 1995In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
- 24th September 1995State what is meant by sustainable development.
- 25th September 1995Give the charge on an ion formed by a group 2 element.
- 26th September 1995State the pH value of a neutral solution.
- 27th September 1995State one factor that affects the size of the voltage produced by a chemical cell.
- 28th September 1995State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 29th September 1995Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 30th September 1995A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.