Daily Practice · GCSE Science
April 1977 5-a-day
Every sheet in April 1977
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1977State the equation linking potential difference, current and resistance.
- 2nd April 1977Define half-life.
- 3rd April 1977State two factors that increase a driver's thinking distance.
- 4th April 1977Name a typical material used to make a permanent magnet, and a typical material used to make an induced (temporary) magnet.
- 5th April 1977State, in one sentence, what the Big Bang model proposes about the early universe.
- 6th April 1977Define osmosis.
- 7th April 1977Describe how phagocytes destroy pathogens in the body.
- 8th April 1977A yeast culture respires without oxygen. Name the two products of this reaction, and name one industrial process that relies on it.
- 9th April 1977A 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.
- 10th April 1977A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 11th April 1977Why do isotopes of an element react in the same way?
- 12th April 1977Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 13th April 1977Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
- 14th April 1977Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 15th April 1977State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 16th April 1977State the two products of the complete combustion of a hydrocarbon fuel.
- 17th April 1977State one way to increase the efficiency of a motor.
- 18th April 1977Why is the density of a gas much lower than that of the same substance as a liquid?
- 19th April 1977Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 20th April 1977Sound 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.
- 21st April 1977State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 22nd April 1977Name two structures found in a plant cell but not in an animal cell.
- 23rd April 1977Why is the wall of the left ventricle thicker than that of the right ventricle?
- 24th April 1977Name the gas that is released as a product of photosynthesis.
- 25th April 1977Name the gland often called the body's master gland.
- 26th April 1977State one abiotic factor that can affect the population of fish living in a pond.
- 27th April 1977Explain why potable water is not required to be chemically pure.
- 28th April 1977What type of bonding is present in a compound formed between a metal and a non-metal?
- 29th April 1977State the name given to a reaction in which a substance loses electrons.
- 30th April 1977State the two substances that react inside a hydrogen fuel cell.