Daily Practice · GCSE Science
April 1963 5-a-day
Every sheet in April 1963
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1963State the speed of all electromagnetic waves travelling through a vacuum.
- 2nd April 1963State the name of the force that keeps a satellite in orbit around the Earth.
- 3rd April 1963State three functions of mitosis.
- 4th April 1963What happens to guard cells when a plant is short of water?
- 5th April 1963Write the word equation for photosynthesis.
- 6th April 1963A plant grown in the shade is shorter than a genetically identical plant of the same species grown in full sunlight. State whether this difference is genetic variation, environmental variation, or both.
- 7th April 1963State one method used to try to maintain biodiversity.
- 8th April 1963Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
- 9th April 1963Why is graphite soft and slippery?
- 10th April 1963Explain the difference between a strong acid and a concentrated acid.
- 11th April 1963A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
- 12th April 1963Name the small molecule typically released as a by-product during condensation polymerisation.
- 13th April 1963Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
- 14th April 1963Name four energy stores.
- 15th April 1963A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
- 16th April 1963State one source of natural background radiation and one source of artificial (man-made) background radiation.
- 17th April 1963A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 18th April 1963A transformer's primary coil is connected to a 12 V supply and has 60 turns. Calculate the number of turns needed on the secondary coil to produce an output of 3.0 V.
- 19th April 1963A cube-shaped model cell has sides of length 3 cm. Calculate the surface area to volume ratio of the cube. Give your answer in the form n : 1.
- 20th April 1963What is an enzyme?
- 21st April 1963Describe phagocytosis.
- 22nd April 1963Define a synapse.
- 23rd April 1963Give one example of an abiotic factor that could affect where a plant species grows.
- 24th April 1963Name the four stages usually considered in a life cycle assessment of a product.
- 25th April 1963A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
- 26th April 1963Give the formula for percentage yield.
- 27th April 1963A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
- 28th April 1963State the general formula of the alkanes.
- 29th April 1963State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 30th April 1963Distinguish repeatability from reproducibility.