Daily Practice · GCSE Science
August 1977 5-a-day
Every sheet in August 1977
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 1977State one difference between nervous and hormonal coordination.
- 2nd August 1977State what is meant by a selection pressure.
- 3rd August 1977Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 4th August 1977State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 5th August 1977Define the limiting reactant.
- 6th August 1977Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 7th August 1977State Le Chatelier's principle in your own words.
- 8th August 1977Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 9th August 1977Why should you write down the equation even if you cannot finish the calculation?
- 10th August 1977In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 11th August 1977What causes the pressure of a gas on the walls of its container?
- 12th August 1977On a velocity-time graph, what does the area between the line and the time axis represent?
- 13th August 1977State the speed of all electromagnetic waves travelling through a vacuum.
- 14th August 1977State the name of the force that keeps a satellite in orbit around the Earth.
- 15th August 1977Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 16th August 1977Why are xylem cells strengthened with lignin?
- 17th August 1977Why is glucose converted into starch for storage?
- 18th August 1977A 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.
- 19th August 1977State one way in which high biodiversity benefits an ecosystem.
- 20th August 1977Explain how painting an iron gate helps prevent it from rusting.
- 21st August 1977Why can an ionic solid not conduct electricity?
- 22nd August 1977Name the salt made from zinc oxide and nitric acid.
- 23rd August 1977State what is meant by a catalyst.
- 24th August 1977Name the small molecule typically released as a by-product during condensation polymerisation.
- 25th August 1977Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
- 26th August 1977Define specific heat capacity.
- 27th August 1977State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
- 28th August 1977State the number of protons and the number of neutrons in an alpha particle.
- 29th August 1977A water wave has a frequency of 4 Hz and a wavelength of 0.5 m. Calculate its speed.
- 30th August 1977A 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.
- 31st August 1977A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.