Educational worksheet for learning South American geography and vocabulary.

To solve the vocabulary activity related to South America, let's go through each question step by step. I'll provide the answers and explanations for each one.

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1. The only Portuguese-speaking country in the south is:

- Answer: Brazil
- Explanation: Brazil is the largest country in South America and is the only country in the region where Portuguese is the official language. This is due to its colonial history under Portugal.

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2. The highest point in the Andes Mountains is:

- Answer: Aconcagua
- Explanation: Aconcagua is the highest mountain in the Andes and in the Western Hemisphere, with an elevation of 6,961 meters (22,838 feet). It is located on the border between Argentina and Chile.

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3. The capital of Bolivia is:

- Answer: La Paz
- Explanation: While Sucre is the constitutional capital of Bolivia, La Paz is the de facto administrative capital and the seat of government. La Paz is also known for being the highest capital city in the world, situated at an altitude of about 3,650 meters (11,975 feet).

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4. The Amazon River flows through how many countries?

- Answer: 9
- Explanation: The Amazon River is the second-longest river in the world and flows through the following nine countries in South America:
- Brazil
- Peru
- Colombia
- Venezuela
- Ecuador
- Bolivia
- Guyana
- Suriname
- French Guiana (an overseas department of France)

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5. The Atacama Desert is located in:

- Answer: Chile
- Explanation: The Atacama Desert is one of the driest places on Earth and is located along the Pacific coast of Chile. It stretches from northern Chile into southern Peru.

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6. The Galápagos Islands belong to which country?

- Answer: Ecuador
- Explanation: The Galápagos Islands are an archipelago located in the Pacific Ocean, approximately 1,000 kilometers west of the mainland of Ecuador. They are famous for their unique biodiversity and were a key inspiration for Charles Darwin's theory of evolution.

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7. The world’s largest salt flat is located in:

- Answer: Bolivia
- Explanation: The Salar de Uyuni, located in southwestern Bolivia, is the world's largest salt flat. It covers an area of over 10,582 square kilometers (4,086 square miles) and is known for its stunning reflections during the rainy season.

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8. The world’s longest mountain range is located in:

- Answer: South America
- Explanation: The Andes Mountains are the longest continental mountain range in the world, stretching approximately 7,000 kilometers (4,350 miles) along the western edge of South America, from Venezuela to Tierra del Fuego at the southern tip of the continent.

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9. The capital of Uruguay is:

- Answer: Montevideo
- Explanation: Montevideo is the capital and largest city of Uruguay. It is located on the southern coast of the country, overlooking the Río de la Plata.

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10. The world’s highest waterfall is located in:

- Answer: Venezuela
- Explanation: Angel Falls, located in Canaima National Park in southeastern Venezuela, is the world’s highest uninterrupted waterfall, with a height of 979 meters (3,212 feet) and a plunge of 807 meters (2,648 feet).

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Final Answer:

1. Brazil
2. Aconcagua
3. La Paz
4. 9
5. Chile
6. Ecuador
7. Bolivia
8. South America
9. Montevideo
10. Venezuela

Boxed Final Answer:
\boxed{Brazil, Aconcagua, La Paz, 9, Chile, Ecuador, Bolivia, South America, Montevideo, Venezuela}