Daily Practice · GCSE Science
February 1983 5-a-day
Every sheet in February 1983
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1983What happens to the total resistance when a second resistor is added in parallel, and why?
- 2nd February 1983What happens inside the nucleus when a beta particle is emitted?
- 3rd February 1983Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 4th February 1983Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 5th February 1983Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 6th February 1983State three factors that increase the rate of diffusion.
- 7th February 1983Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 8th February 1983A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 9th February 1983State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 10th February 1983What does 'concordant' mean when applied to titres?
- 11th February 1983What did the alpha scattering experiment show that the plum pudding model could not explain?
- 12th February 1983Magnesium is burned in an open crucible and the mass increases. Explain why.
- 13th February 1983In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 14th February 1983State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 15th February 1983Describe the result of the test for carbon dioxide.
- 16th February 1983Give one piece of evidence used to link human activity to recent climate change.
- 17th February 1983Give one advantage and one disadvantage of wind power.
- 18th February 1983Why does the temperature stay constant while a substance boils?
- 19th February 1983A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 20th February 1983A wave has a period of 0.005 s. Calculate its frequency.
- 21st February 1983State the difference between a natural satellite and an artificial satellite, and give one example of each.
- 22nd February 1983Where is the DNA found in a bacterial cell?
- 23rd February 1983Name the substance in red blood cells that binds oxygen.
- 24th February 1983A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 25th February 1983Name the hormone that causes the liver to convert stored glycogen back into glucose.
- 26th February 1983In 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.
- 27th February 1983Classify crude oil as finite or renewable, and justify your answer.
- 28th February 1983Give the charge on an ion formed by a group 2 element.