Daily Practice · GCSE Science
June 1988 5-a-day
Every sheet in June 1988
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1988Explain the difference between a strong acid and a concentrated acid.
- 2nd June 1988A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
- 3rd June 1988Name the small molecule typically released as a by-product during condensation polymerisation.
- 4th June 1988Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 5th June 1988Name four energy stores.
- 6th June 1988State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 7th June 1988State one source of natural background radiation and one source of artificial (man-made) background radiation.
- 8th June 1988A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 9th June 1988A 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.
- 10th June 1988A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 11th June 1988What is an enzyme?
- 12th June 1988Describe phagocytosis.
- 13th June 1988Define a synapse.
- 14th June 1988Give one example of an abiotic factor that could affect where a plant species grows.
- 15th June 1988Explain why potable water is not the same as pure water.
- 16th June 1988Explain why sodium chloride conducts electricity when molten but not when solid.
- 17th June 1988Give the formula for percentage yield.
- 18th June 1988A 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.
- 19th June 1988State the general formula of the alkanes.
- 20th June 1988State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
- 21st June 1988Distinguish repeatability from reproducibility.
- 22nd June 1988How does the resistance of a thermistor change as it gets hotter?
- 23rd June 1988What is an alpha particle made of?
- 24th June 1988Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 25th June 1988Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 26th June 1988Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 27th June 1988Explain why a plant cell placed in pure water does not burst.
- 28th June 1988Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 29th June 1988A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 30th June 1988State how many chromosomes are found in a normal human body cell, and how they are arranged.