Daily Practice · GCSE Science
June 1963 5-a-day
Every sheet in June 1963
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1963Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 2nd June 1963A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 3rd June 1963What is the difference between alternating and direct current?
- 4th June 1963What observation showed that the atom is mostly empty space?
- 5th June 1963Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
- 6th June 1963State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
- 7th June 1963In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 8th June 1963An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 9th June 1963Why can HIV not be treated with antibiotics?
- 10th June 1963A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 11th June 1963Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 12th June 1963An atom has atomic number 11 and mass number 23. State the number of protons.
- 13th June 1963State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 14th June 1963Define the limiting reactant.
- 15th June 1963State whether the combustion of methane is exothermic or endothermic.
- 16th June 1963State what is meant by dynamic equilibrium.
- 17th June 1963Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 18th June 1963Why should you write down the equation even if you cannot finish the calculation?
- 19th June 1963Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 20th June 1963What causes the pressure of a gas on the walls of its container?
- 21st June 1963A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 22nd June 1963State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 23rd June 1963State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 24th June 1963Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 25th June 1963Why are xylem cells strengthened with lignin?
- 26th June 1963Why is glucose converted into starch for storage?
- 27th June 1963Define the term allele.
- 28th June 1963State one way in which high biodiversity benefits an ecosystem.
- 29th June 1963Explain how painting an iron gate helps prevent it from rusting.
- 30th June 1963Why can an ionic solid not conduct electricity?