Daily Practice · GCSE Science
June 1978 5-a-day
Every sheet in June 1978
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1978Give one advantage and one disadvantage of wind power.
- 2nd June 1978Why does the temperature stay constant while a substance boils?
- 3rd June 1978State whether friction is a contact force or a non-contact force.
- 4th June 1978Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.
- 5th June 1978State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
- 6th June 1978Where is the DNA found in a bacterial cell?
- 7th June 1978Name the substance in red blood cells that binds oxygen.
- 8th June 1978Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 9th June 1978Explain why type 1 diabetes is treated with insulin injections rather than tablets.
- 10th June 1978In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
- 11th June 1978Give one reason distillation of seawater requires a large energy input.
- 12th June 1978Give the charge on an ion formed by a group 2 element.
- 13th June 1978A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 14th June 1978State one factor that affects the size of the voltage produced by a chemical cell.
- 15th June 1978Name the alkene with the molecular formula C4H8.
- 16th June 1978Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 17th June 1978Name the energy store associated with a moving car.
- 18th June 1978Why is the live wire dangerous even when a device is switched off?
- 19th June 1978Describe the plum pudding model.
- 20th June 1978A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 21st June 1978State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 22nd June 1978Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 23rd June 1978State the type of large biological molecule that all enzymes are made from.
- 24th June 1978Define a communicable disease.
- 25th June 1978Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 26th June 1978Define mutation.
- 27th June 1978A 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.
- 28th June 1978Explain why potassium is more reactive than sodium.
- 29th June 1978Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 30th June 1978Using the values in the previous question, calculate the overall energy change for the reaction.