Daily Practice · GCSE Science
June 1987 5-a-day
Every sheet in June 1987
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1987Name the organelle in a plant cell where photosynthesis takes place.
- 2nd June 1987Explain why type 1 diabetes is treated with insulin injections rather than tablets.
- 3rd June 1987State what is meant by the term ecosystem.
- 4th June 1987Name one method used to sterilise fresh water during the production of potable water.
- 5th June 1987Describe metallic bonding.
- 6th June 1987Write the word equation for the reaction between zinc and hydrochloric acid.
- 7th June 1987State whether breaking a chemical bond requires energy or releases energy.
- 8th June 1987Name the alkene with the molecular formula C4H8.
- 9th June 1987State the approximate percentage of nitrogen in today's atmosphere.
- 10th June 1987A spring is compressed. Which energy store increases?
- 11th June 1987Why does the national grid transmit electricity at a very high potential difference?
- 12th June 1987Why is the atomic model a good example of how scientific models change?
- 13th June 1987A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 14th June 1987State 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.
- 15th June 1987Define the independent variable.
- 16th June 1987Name the organ system responsible for breaking food down into small, soluble molecules.
- 17th June 1987Name the type of pathogen that causes malaria.
- 18th June 1987Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 19th June 1987Define mutation.
- 20th June 1987An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 21st June 1987Why are the noble gases unreactive?
- 22nd June 1987How many atoms are there in 0.5 mol of helium?
- 23rd June 1987Give one everyday example of an endothermic process.
- 24th June 1987The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
- 25th June 1987Describe the test, and the positive result, for ammonium ions.
- 26th June 1987Convert 3.5 kJ into joules.
- 27th June 1987A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
- 28th June 1987How is the temperature of a gas related to the motion of its molecules?
- 29th June 1987State what the gradient of a distance-time graph represents.
- 30th June 1987Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.