Daily Practice · GCSE Science
September 2001 - GCSE Science 5-a-day
Every GCSE Science sheet published in September 2001, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in September 2001
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2001State the functional group found in all alcohols.
- 2nd September 2001Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 3rd September 2001State the equation for gravitational potential energy.
- 4th September 2001A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 5th September 2001Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 6th September 2001State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 7th September 2001State two factors that increase the size of the potential difference induced in a coil.
- 8th September 2001State one structure found in a bacterial cell but not in an animal cell.
- 9th September 2001Explain what happens to an enzyme above its optimum temperature.
- 10th September 2001Name three non-specific defences of the human body.
- 11th September 2001Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 12th September 2001State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 13th September 2001Define a finite resource, giving one example.
- 14th September 2001State one reason why simple covalent substances such as chlorine have low melting points.
- 15th September 2001Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 16th September 2001State the energy transfer that occurs during an exothermic reaction.
- 17th September 2001Name the process used to separate crude oil into fractions.
- 18th September 2001In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 19th September 2001Define the resolution of a measuring instrument.
- 20th September 2001Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 21st September 2001Which type of radiation is stopped by a sheet of paper?
- 22nd September 2001State Newton's First Law of Motion.
- 23rd September 2001Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 24th September 2001State what is meant by red-shift.
- 25th September 2001Why does active transport require energy?
- 26th September 2001A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 27th September 2001Explain why breathing rate and breathing depth both increase during exercise.
- 28th September 2001In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 29th September 2001Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 30th September 2001Define an isotope.