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Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into two – or three – major branches: the natural sciences, which study the physical world, and the social sciences, which study individuals and societies. While referred to as the formal sciences, the study of logic, mathematics, and theoretical computer science are typically regarded as separate because they rely on deductive reasoning instead of the scientific method as their main methodology. Meanwhile, applied sciences are disciplines that use scientific knowledge for practical purposes, such as engineering and medicine.

Scotland is a country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjacent islands, principally in the archipelagos of the Hebrides and the Northern Isles. In 2022, the country's population was about 5.4 million. Its capital city is Edinburgh, whilst Glasgow is the largest city and the most populous of the cities of Scotland. To the south-east, Scotland has its only land border with England; otherwise it is surrounded by the Atlantic Ocean to the north and west, the North Sea to the north-east and east, and the Irish Sea to the south. The legislature, the Scottish Parliament, elects 129 members to represent 73 constituencies. The Scottish Government is the executive arm of the devolved government, headed by the first minister, who chairs the cabinet and is responsible for government policy and international engagement.

Senegal, officially the Republic of Senegal, is the westernmost country in West Africa, situated along the Atlantic Ocean coast. It borders Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds the Gambia, a country occupying a narrow strip of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. It also shares a maritime border with Cape Verde. The capital and largest city of Senegal is Dakar.

Serbia, officially the Republic of Serbia, is a landlocked country in Southeast and Central Europe. Located in the Balkans, it borders Hungary to the north, Romania to the northeast, Bulgaria to the southeast, North Macedonia to the south, Croatia to the northwest, Bosnia and Herzegovina to the west, and Montenegro to the southwest. Serbia also claims to share a border with Albania through the disputed territory of Kosovo. Serbia has about 6.6 million inhabitants, excluding Kosovo. Belgrade, Serbia's capital, is also its largest city.

Serranilla Bank (Spanish: Isla Serranilla, Banco Serranilla and Placer de la Serranilla) is a partially submerged reef, with small uninhabited islets, in the western Caribbean Sea. It is situated about 350 kilometres (220 mi) northeast of the Punta Gorda River, Nicaragua, and roughly 280 kilometres (170 mi) southwest of Jamaica. The closest neighbouring land feature is Bajo Nuevo Bank, located 110 kilometres (68 mi) to the east.

Seychelles (/seɪˈʃɛl(z)/ ⓘ, /ˈseɪʃɛl(z)/;[ French: [sɛʃɛl] or [seʃɛl]), officially the Republic of Seychelles (French: République des Seychelles; Seychellois Creole: Repiblik Sesel), is an island country and archipelagic state consisting of 115 islands in the Indian Ocean. Its capital and largest city, Victoria, is 1,500 kilometres (800 nautical miles) east of mainland Africa. Nearby island countries and territories include the Maldives, Comoros, Madagascar, Mauritius, and the French overseas departments of Mayotte and Réunion to the south; and the Chagos Archipelago to the east. Seychelles is the smallest country in Africa as well as the least populated sovereign African country, with an estimated population of 100,600 in 2022.

Sierra Leone, officially the Republic of Sierra Leone, is a country on the west coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is 73,252 km2 (28,283 sq mi). It has a tropical climate and environments ranging from savannas to rainforests. As of the 2023 census, Sierra Leone has a population of 8,460,512. Freetown is its capital and largest city.

Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. Its territory comprises one main island, 63 satellite islands and islets, and one outlying islet. The country is about one degree of latitude (137 kilometres or 85 miles) north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to the east and the Straits of Johor along with the State of Johor in Malaysia to the north.

Sint Eustatius, known locally as Statia, is an island in the Caribbean. It is a special municipality (officially "public body") of the Netherlands.

Sint Maarten (Dutch pronunciation: [sɪntˈmaːrtə(n)] ⓘ) is a constituent country of the Kingdom of the Netherlands located in the Caribbean region of North America.[8] With a population of 58,477 as of June 2023 on an area of 34 km2 (13 sq mi), it encompasses the southern 44% of the divided island of Saint Martin, while the northern 56% of the island constitutes the French overseas collectivity of Saint Martin. Sint Maarten's capital is Philipsburg. Collectively, Sint Maarten and the other Dutch islands in the Caribbean are often called the Dutch Caribbean.

Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the west, and the Czech Republic to the northwest. Slovakia's mostly mountainous territory spans about 49,000 km2 (19,000 sq mi), hosting a population exceeding 5.4 million. The capital and largest city is Bratislava, while the second largest city is Košice.

Slovenia, officially the Republic of Slovenia, is a country in Central Europe. It borders Italy to the west, Austria to the north, Hungary to the northeast, and Croatia to the south and southeast; its southwestern boundary consists of a 46.6 km coastline on the Adriatic Sea. Slovenia is mostly mountainous and forested, covers 20,271 square kilometres (7,827 sq mi), and has a population of approximately 2.1 million people. Slovene is the official language. Slovenia has a predominantly temperate continental climate, with the exception of the Slovene Littoral and the Julian Alps. Ljubljana, the capital and largest city of Slovenia, is geographically situated near the centre of the country. Other larger urban centers include Maribor, Ptuj, Kranj, Celje, and Koper.

In many countries' curricula, social studies is the combined study of humanities, the arts, and social sciences, mainly including history, economics, and civics. The term was coined by American educators around the turn of the twentieth century as a catch-all for these subjects, as well as others which did not fit into the models of lower education in the United States such as philosophy and psychology. One of the purposes of social studies, particularly at the level of higher education, is to integrate several disciplines, with their unique methodologies and special focuses of concentration, into a coherent field of subject areas that communicate with each other by sharing different academic "tools" and perspectives for deeper analysis of social problems and issues. Social studies aims to train students for informed, responsible participation in a diverse democratic society. It provides the necessary background knowledge in order to develop values and reasoned opinions, and the objective of the field is civic competence. A related term is humanities, arts, and social sciences, abbreviated HASS.

The Socotra Archipelago (Arabic: أرخبيل سقطرى ʾArḫabīl Suquṭrā), officially the Socotra Archipelago Governorate (Arabic: محافظة أرخبيل سقطرى Muḥāfaẓat ʾArḫabīl Suquṭrā), abbreviated to Socotra Governorate (Arabic: محافظة سقطرى Muḥāfaẓat Suquṭrā), is one of the governorates of Yemen. It consists of four larger islands and three small islets in the Indian Ocean south of mainland Yemen and east of the Horn of Africa. The largest island is Socotra.

Solomon Islands, also known simply as the Solomons, is an archipelagic country consisting of six major islands and over 1,000 smaller islands in Melanesia, Oceania, to the north-east of Australia. It is adjacent to Bougainville to the west, New Caledonia and Vanuatu to the south-east, Fiji, Tuvalu, and Wallis and Futuna to the east, and the Federated States of Micronesia and Nauru to the north. It has a total area of 28,896 square kilometres (11,157 sq mi), and a population of 828,857 according to the official estimates from 2025. Its capital and largest city, Honiara, is located on the largest island, Guadalcanal. The country takes its name from the wider area of the Solomon Islands archipelago, which is a collection of Melanesian islands that also includes the Autonomous Region of Bougainville (currently a part of Papua New Guinea), but excludes the Santa Cruz Islands.