Crossword Puzzle Definitions. Physical map.Online version Definitions. Physical map. by Iciar Barreras 1 A group of islands 2 Extensions of land surrounded by water on all sides except one 3 Very high areas of relief. They have steep slopes and an altitude of more than 600 metres. 4 Elevated plains. They are located at an altitude of more than 200 metres above sea level. 5 Areas of land that are surrounded by water and are smaller than the continents. 6 Large masses of salt water 7 Extensive areas of flat or gently undulating land. They are located at an altitude of less than 200 metres above sea level. 8 Continuous currents of water that flow along a course or riverbed. They flow into the sea or another river or lake. 9 Areas where the coast juts into the sea 10 Areas of the oceans that are close to the coastline 11 Where the sea is partially enclosed by the land 4 2 8 5 3 6 9 11 7 10