Oceans questions This is a list of recently added questions about oceans. Play oceans quiz and see all the questions. What does the color range represent in this picture?Water salinity. Launched June 10, 2011, Aquarius is NASA’s first satellite instrument specifically designed to study the salt content of ocean surface waters. The complete first year dataset of NASA's Aquarius instrument reveals seasonal changes in the Amazon River's plume. Depending on the prevailing currents, the river's freshwater outflow heads east toward Africa or bends up north to the Caribbean.Created by: globalquiz.orgsatellite photography riddles »very hard 38% water temperaturewater temperature3131sea currents speedsea currents speed1196water salinitywater salinity3574sea depthsea depth1289 Tristan da Cunha is the most remote inhabited archipelago in the world. Who discovered it?Tristan da Cunha lies in the south Atlantic Ocean, 2,816 kilometers (1,750 mi) from the nearest land, South Afric. In 1816 the United Kingdom formally annexed the islands, to ensure that the French would be unable to use the islands as a base for a rescue operation to free Napoleon Bonaparte from his prison in Saint Helena. Today, the main island has a permanent population of 275.Created by: globalquiz.orggeographical names riddles »hard 49% James CookJames Cook2098Ferdinand MagellanFerdinand Magellan1330Francis DrakeFrancis Drake1310Tristan da CunhaTristan da Cunha4601 Which direction are Easter Island moai facing?Inland. There is only one ahu (group of statues), Ahu Akivi, with moai facing the ocean. It is unusual also by being one of the few inland ahus. At all other ahus (including all coastal ones) moai face inland.Created by: globalquiz.orgPacific Ocean riddles »very hard 28% inlandinland1134seasea1654volcanovolcano415easteast725 Which country does Easter Island belong to?Chile. Easter Island is a special territory of Chile that was annexed in 1888. Administratively, it belongs to the Valparaíso Region. The nearest continental point lies in central Chile, at 3,512 kilometers (2,182 mi).Created by: globalquiz.orgChile riddles »hard 47% New ZealandNew Zealand3183MicronesiaMicronesia867ChileChile5049it is independent countryit is independent country1578 This is Sable Island, known as the graveyard of the Atlantic. It is about 109 miles southeast of Nova Scotia. What is the island origin?Post-glacial. Sable Island is believed to have formed from a terminal moraine deposited on the continental shelf near the end of the last Ice Age. It emerges from vast shoals and shallows which, in tandem with frequent fog and sudden storms, have caused over 350 recorded shipwrecksCreated by: globalquiz.orgsatellite photos riddles »very hard 30% post-glacialpost-glacial1304coralcoral1034volcanicvolcanic807it is the top of a drowned mountainit is the top of a drowned mountain1113 Which country has never been a part of the British Empire?Philippines had been under Spanish rule for more than 300 years. The islands were ceded by Spain to the United States for US$20 million in the 1898.Created by: globalquiz.orgUnited Kingdom riddles »hard 53% MaltaMalta1847CyprusCyprus3715New ZealandNew Zealand1785PhilippinesPhilippines8318 In which body of water sea currents reverse their directions twice yearly?Indian Ocean. Two large circular currents, one in the northern hemisphere flowing clockwise and one south of the equator moving anticlockwise, constitute the dominant flow pattern. During the winter monsoon, however, currents in the north are reversedCreated by: Shankar Kumarseas riddles »hard 48% South AtlanticSouth Atlantic3884Indian OceanIndian Ocean6476Baltic SeaBaltic Sea1121Sea of JapanSea of Japan1783 Which sea is the most saline in the world?Red Sea. The Red Sea is very saline due to high evaporation, very little precipitation, almost no river inflow and isolation from the rest of the Indian Ocean. Salinity reaches 41 ‰ in the northern part (Average for the world's seawater is ~35 ‰).Created by: globalquiz.orgEgypt riddles »average 69% Arctic SeaArctic Sea1896Baltic SeaBaltic Sea1794Caribbean SeaCaribbean Sea2123Red SeaRed Sea13217 When did the first nautical transit of the North Pole happen?1958. The first nautical transit of the North Pole was made in 1958 by the submarine USS Nautilus, and the first surface nautical transit occurred in 1977 by the icebreaker NS Arktika.Created by: KasiaArctic riddles »hard 41% 1874187487219581958226820072007340nevernever1937 Which ocean is the shallowest in the world?Arctic. The Arctic Ocean is encompassed by a number of continental shelves, including the Siberian Shelf, which is the largest such shelf in the Word. The average depth of the Arctic Ocean is 1,038 m (3,406 ft).Created by: Kasianature riddles »hard 50% PacificPacific1243AtlanticAtlantic1850IndianIndian4005ArcticArctic7318 Play geography quiz and see all the questions.