Daily Practice · GCSE Science
November 1971 5-a-day
Every sheet in November 1971
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1971Name three non-specific defences of the human body.
- 2nd November 1971State the type of effector that produces a physical response by contracting.
- 3rd November 1971Give one example of a biotic factor that could affect a population of rabbits.
- 4th November 1971Name two methods of desalinating seawater.
- 5th November 1971Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 6th November 1971Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 7th November 1971State the energy transfer that occurs during an exothermic reaction.
- 8th November 1971Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 9th November 1971In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 10th November 1971Define the resolution of a measuring instrument.
- 11th November 1971Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 12th November 1971Which type of radiation is stopped by a sheet of paper?
- 13th November 1971State two factors that increase a driver's thinking distance.
- 14th November 1971Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 15th November 1971State, in one sentence, what the Big Bang model proposes about the early universe.
- 16th November 1971Why does active transport require energy?
- 17th November 1971Describe how phagocytes destroy pathogens in the body.
- 18th November 1971A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 19th November 1971A man who is a known carrier of cystic fibrosis (Ff) has children with a woman who has been confirmed to carry no cystic fibrosis allele at all (FF). Explain why none of their children can have cystic fibrosis.
- 20th November 1971Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 21st November 1971Define an isotope.
- 22nd November 1971A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 23rd November 1971Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 24th November 1971Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 25th November 1971State the difference between a pure substance and a formulation.
- 26th November 1971Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 27th November 1971Name three renewable energy resources.
- 28th November 1971State the equation for density.
- 29th November 1971Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 30th November 1971Sound waves travel through a steel rail at approximately 5900 m/s. A sound wave sent along the rail has a frequency of 2950 Hz. Calculate its wavelength.