Daily Practice · GCSE Science
January 2001 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2001, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2001
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2001A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
- 2nd January 2001State one source of natural background radiation and one source of artificial (man-made) background radiation.
- 3rd January 2001A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 4th January 2001A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 5th January 2001A cube-shaped model cell has sides of length 3 cm. Calculate the surface area to volume ratio of the cube. Give your answer in the form n : 1.
- 6th January 2001What is an enzyme?
- 7th January 2001Describe phagocytosis.
- 8th January 2001Define a synapse.
- 9th January 2001Give one example of an abiotic factor that could affect where a plant species grows.
- 10th January 2001Name the four stages usually considered in a life cycle assessment of a product.
- 11th January 2001A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
- 12th January 2001Give the formula for percentage yield.
- 13th January 2001A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
- 14th January 2001State the general formula of the alkanes.
- 15th January 2001State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 16th January 2001Distinguish repeatability from reproducibility.
- 17th January 2001How does the resistance of a thermistor change as it gets hotter?
- 18th January 2001What is an alpha particle made of?
- 19th January 2001Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 20th January 2001Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 21st January 2001Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 22nd January 2001Explain why a plant cell placed in pure water does not burst.
- 23rd January 2001Which type of pathogen causes athlete's foot, a fungal skin infection?
- 24th January 2001A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 25th January 2001State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 26th January 2001In the rate experiment where a cross disappears, why is the result subjective?
- 27th January 2001An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 28th January 2001Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
- 29th January 2001In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 30th January 2001State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 31st January 2001A solid gives a lilac flame test. Name the metal ion present.