Daily Practice · GCSE Science
September 1980 5-a-day
Every sheet in September 1980
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1980State the difference between a transverse wave and a longitudinal wave.
- 2nd September 1980Name the force that keeps the planets in orbit around the Sun.
- 3rd September 1980State the function of the mitochondria.
- 4th September 1980Which component of blood transports carbon dioxide, urea and hormones?
- 5th September 1980Name the organelle in a plant cell where photosynthesis takes place.
- 6th September 1980Explain why sweating cools the body down.
- 7th September 1980A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
- 8th September 1980Name one method used to sterilise fresh water during the production of potable water.
- 9th September 1980Why can metals conduct electricity when solid?
- 10th September 1980Write the word equation for the reaction between zinc and hydrochloric acid.
- 11th September 1980State whether forming a new chemical bond requires energy or releases energy.
- 12th September 1980Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 13th September 1980State the approximate percentage of nitrogen in today's atmosphere.
- 14th September 1980A spring is compressed. Which energy store increases?
- 15th September 1980What is the difference between alternating and direct current?
- 16th September 1980What observation showed that the atom is mostly empty space?
- 17th September 1980A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 18th September 1980A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.
- 19th September 1980In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 20th September 1980Name the organ system responsible for breaking food down into small, soluble molecules.
- 21st September 1980Why can HIV not be treated with antibiotics?
- 22nd September 1980Define homeostasis.
- 23rd September 1980Give one example of variation that is caused purely by the environment rather than by genes.
- 24th September 1980An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 25th September 1980State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 26th September 1980Define the limiting reactant.
- 27th September 1980Give one everyday example of an endothermic process.
- 28th September 1980In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 29th September 1980Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 30th September 1980Why should you write down the equation even if you cannot finish the calculation?