Daily Practice · GCSE Science
July 1979 5-a-day
Every sheet in July 1979
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st July 1979State the difference between irradiation and contamination.
- 2nd July 1979Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 3rd July 1979Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 4th July 1979Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 5th July 1979Name the process that moves substances against a concentration gradient.
- 6th July 1979Which type of pathogen causes athlete's foot, a fungal skin infection?
- 7th July 1979A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 8th July 1979State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 9th July 1979Why is the burette rinsed with the solution it is going to contain rather than with water?
- 10th July 1979State the relative mass and relative charge of a neutron.
- 11th July 1979Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 12th July 1979In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 13th July 1979State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 14th July 1979Which reagent is added, and in what colour change, to test for chlorine gas?
- 15th July 1979Explain how solid carbon particulates released by combustion can cause global dimming.
- 16th July 1979A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 17th July 1979Define specific latent heat of fusion.
- 18th July 1979A box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
- 19th July 1979A wave has a period of 0.005 s. Calculate its frequency.
- 20th July 1979State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 21st July 1979Give the equation linking magnification, image size and real size.
- 22nd July 1979Give one advantage and one disadvantage of a stent.
- 23rd July 1979Explain why anaerobic respiration releases much less energy per glucose molecule than aerobic respiration.
- 24th July 1979Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 25th July 1979State what is meant by the term ecosystem.
- 26th July 1979State what is meant by sustainable development.
- 27th July 1979Describe metallic bonding.
- 28th July 1979State the pH value of a neutral solution.
- 29th July 1979State whether breaking a chemical bond requires energy or releases energy.
- 30th July 1979State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 31st July 1979Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.