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Question 1: Many stop locks were removed or converted to a single gate after ________ in 1948.
Socialist InternationalNationalizationSocialismLibertarian socialism

Question 2: Examples of famous "real" staircases in ________ include Bingley.
United KingdomEnglandWalesScotland

Question 3: On the River Thames below ________ all the locks are staffed and powered.
Brighton and HoveOxfordPortsmouthSouthampton

Question 4: The water behind the dam deepened until it spilled over the top creating a ________.
Lock (water transport)Fish ladderWatermillWeir

Question 5: Ancient people discovered that rivers could be made to carry larger boats by making ________ to raise the water level.
DamWater turbineHydropowerHydroelectricity

Question 6: This system was used extensively in ________ and in many other parts of the world.
History of ChinaTimeline of Chinese historyHistory of the People's Republic of ChinaHistory of the Republic of China

Question 7: They were installed on the ________ and the Coventry Canal, amongst others.
Grand Union CanalOxford CanalM1 motorwayRiver Great Ouse

Question 8: Each end of the chamber is equipped with a gate, or pair of half-gates, made of oak or ________ (or now sometimes steel).
ElmDutch elm diseaseUlmus laevisUlmus americana

Question 9: Another famous derivative is the Peterborough lift lock which is a boat lift located on the Trent Canal in the city of Peterborough, Ontario, ________ and is Lock 21 on the Trent-Severn Waterway.
United KingdomCanadaBarbadosUnited States

Question 10: Examples: Caen Hill locks, ________.
DevizesMalmesburyBradford on AvonChippenham
















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