Daily Practice · GCSE Science
September 1963 5-a-day
Every sheet in September 1963
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1963Define speciation.
- 2nd September 1963A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 3rd September 1963Give two observations when lithium is added to water.
- 4th September 1963State the value of the Avogadro constant and what it counts.
- 5th September 1963Using the values in the previous question, calculate the overall energy change for the reaction.
- 6th September 1963State the catalyst commonly used in the Haber process.
- 7th September 1963Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 8th September 1963Write the equation linking power, energy and time, and rearrange it for time.
- 9th September 1963A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 10th September 1963A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 11th September 1963Define the term 'vector quantity' and give one example.
- 12th September 1963Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 13th September 1963State one difference between a moon and an artificial satellite.
- 14th September 1963Define an undifferentiated cell.
- 15th September 1963Which tissue transports water and mineral ions from the roots?
- 16th September 1963Give three uses of the glucose produced in photosynthesis.
- 17th September 1963Define phenotype.
- 18th September 1963A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 19th September 1963Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 20th September 1963Why do polymers have higher melting points than small molecules such as methane?
- 21st September 1963Complete: acid + metal carbonate gives ...
- 22nd September 1963State the four factors that can increase the rate of a chemical reaction.
- 23rd September 1963Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 24th September 1963State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 25th September 1963By what factor does kinetic energy increase if speed is doubled?
- 26th September 1963Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 27th September 1963Define the term 'half-life' of a radioactive isotope.
- 28th September 1963A radio wave has a wavelength of 3 m. Calculate its frequency, given that all electromagnetic waves travel at 3 x 10^8 m/s in a vacuum.
- 29th September 1963Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 30th September 1963Name the structure in a plant cell that controls the substances entering and leaving the cell.