1. The Indian Ocean
   The Atlantic Ocean
2. The Pacific Ocean
   The Antarctic Ocean

The Pacific Ocean is the largest ocean in the world. It touches multiple continents and accounts for one third of the Earth’s surface!

1. Saskatoon
   Ottawa
2. Quebec City
   Victoria

The capital of Canada is Ottawa. Ottawa is also home to Parliament Hill, the hub of politics and the workplace of the Prime Minister of Canada.

1. Yellow River
   Amur River
2. Lena River
   Nile River

The Nile River is considered to be the longest river in the world. It is located in Africa, and stretches over 6,000 kilometers across many countries.

1. Africa
   America
2. Europe
   Asia

The Sahara Desert is located in Africa. It is the largest desert in the world and it lies in multiple countries, including Algeria, Sudan and Egypt.

1. Africa
   Antarctica
2. Australia
   North America

Australia is the smallest continent in the world. It is home to only one country, unlike most other continents. In contrast, the largest continent in the world is Asia.

1. East Africa
   Europe
2. America
   Asia

The island of Madagascar is located in East Africa. The capital city is Antananarivo and the island is in the Indian Ocean. The island has a population of more than 24 million people.

1. New York City
   Cairo
2. Rome
   London

New York City is the largest city in the world by area. It spans more than 8,600 square kilometers. The second largest city in the world by area is Tokyo.

1. Equator
   Climate
2. Atmosphere
   Latitude

Latitude is the opposite of longitude. Latitude runs from North to South while longitude runs East to West in reference to the equator.

1. Active volcano
   Dormant volcano
2. True volcano
   Dead volcano

The term for this type of volcano is an active volcano. Active volcanoes can also be ready to erupt once again or they could be dormant.

1. Seoul
   Incheon
2. Ulsan
   Busan

Seoul is the capital of South Korea. It is the biggest city in Korea, as well as one of the biggest cities in the world. It has a population of more than 10 million people.

1. Crust
   Core
2. Bedrock
   Hinterland

The term for the shell of the Earth is the crust. The crust is the outside layer of the planet, and is made up of rock along with other elements.

1. Two
   Nine
2. Four
   Twenty

The Earth has four hemispheres: the Northern hemisphere, Southern hemisphere, Eastern hemisphere and Western hemisphere. The equator is the divider of the Northern and Southern hemispheres.

1. 23
   40
2. 100
   231

There are 23 provinces in China. The provinces include Xinjiang, Hubei and Hainan. The most populated province in China is Guangdong.

1. The Caribbean Sea
   The North Sea
2. The Dead Sea
   Banda Sea

The Dead Sea is sinking. The water level has slowly been dropping each year, and continues to do so. The Dead Sea is unique because of its minerals.

1. The Appalachian Mountains
   Sierra Nevada
2. Mount Everest
   Alaska Range

Mount Everest is located in China, Tibet and Nepal. The mountain range is the highest in the world and its rough terrain has served as a challenge for many to climb.

1. Eastern Hemisphere
   Southern Hemisphere
2. Western Hemisphere
   Northern Hemisphere

The Northern Hemisphere is the most populated hemisphere in the world. It is said that 90 percent of the entire world population lives in the Northern hemisphere.

1. The Mariana Trench
   The Gulf of Mexico
2. Devil's Sea
   Sargasso Sea

The deepest area of the ocean is the Mariana Trench. It is located in the Pacific Ocean near the Philippines. Though it's surprising, there are creatures living at the bottom!

1. Vatican City
   Ethiopia
2. Japan
   Tanzania

Vatican City is the smallest country in the world based on area. Just over 800 people live in Vatican City, but that still doesn't make the country the smallest by population!

1. Norilsk
   Iqaluit
2. Anchorage
   Victoria

Norilsk is the northernmost city in the world. It is located in Siberia and is covered in snow for most of the year. It has a population of more than 177,000 people.

1. Loja
   Salinas
2. Quito
   Suwon

The capital of Ecuador is Quito. Quito is one of the largest cities in Ecuador and has a population of more than 2 million people. The city is located in the Pichincha province.

1. Santa Clara
   Varadero
2. Vinales
   Havana

Havana is the capital city of Cuba. The city is the largest in Cuba with a population of more than 2 million people. One of the city's nicknames is "Rome of the Caribbean."

1. Jalisco
   Sonora
2. Nuevo Leon
   Nevada

Nevada is not a Mexican state. Nevada is located in the United States. Mexico has a total of 31 states that are home to more than 100 million people.

1. A city named Rome
   Birds
2. Snow
   Lakes

Excluding Antarctica, every single continent has a city named Rome. Antarctica doesn't have a city named Rome because there are no true cities in this part of the world.

1. United States
   Russia
2. Australia
   China

The Mississippi River is located in the United States. The river runs through many states throughout the country, and due to an earthquake in the 1800s, it temporarily ran backwards!

1. Russia
   Australia
2. Mexico
   Canada

Canada has the most lakes in the world. There are more than 561 lakes in the world and Canada is home to about 60 percent of them.

1. Giza, Egypt
   Paris, France
2. Geneva, Switzerland
   Sydney, Australia

The Great Pyramid is located in Giza, Egypt. It belonged to the pharaoh, Khufu, and it was thought to be his tomb.

1. Igazu Falls
   Yosemite Falls
2. Angel Falls
   Sutherland Falls

Angel Falls are the highest falls in the world. They are located in Venezuela and are over 3,200 feet high. They fall from the Auyantepui Mountain.

1. Ushuaia
   Honolulu
2. Kingston
   Cairo

Ushuaia is the most southern city in the world. It is located in Tierra del Fuego, Argentina, and has a population of around 60,000 people.

1. Yangtze River
   Mekong River
2. Ob River
   Lena River

The longest river in Asia is the Yangtze River. It has a length of more than 6,300 kilometers. It is located in China and has many uses for the citizens of the country.

1. Istanbul
   Kayseri
2. Ankara
   Konya

Ankara is the capital city of Turkey, but it is not the country's largest city. The largest city is Istanbul. Ankara has a population of more than 79 million people.

1. Aruba
   Barbados
2. Saint Lucia
   Mexico City

Mexico City is not in the Caribbean. It is located in Mexico and is also its capital city. It has a population of more than 8 million people and was founded in 1325.

1. Northern Territory
   Western Australia
2. Queensland
   Tasmania

The Arnhem Land is located in the Northern Territory of Australia. It is a region that has been inhabited by indigenous peoples for thousands of years.

1. Sana'a
   Taiz
2. Ibb
   Aden

The capital city of Yemen is Sana'a. It has a population of more than 3 million people and its official name is "Old City of Sana'a." It is also the largest city in Yemen.

1. Mantle
   Permafrost
2. Scale
   Climate

Climate is the word used to describe typical weather and conditions in a certain area. Climate can differ drastically around the world.

1. Addis Ababa
   Awasa
2. Harar
   Jimma

The capital of Ethiopia is Addis Ababa. The city is called the "political capital of Africa" because it is the home to many government organizations. It has a population of more than 3 million people.