Science is not a branch of social studies. Social studies is the study of human society and its environment.

History is the study of the past.

Geography is the study of the Earth's surface.

Economics is the study of how people use resources.

Sociology is the study of human society.

Washington, D.C. is the capital of the United States.

Russia is the largest country in the world by land area.

China is the most populous country in the world.

The currency of the United States is the dollar.

The official language of the United States is English.

The Pacific Ocean is the largest ocean in the world.

Mount Everest is the highest mountain in the world.

The Nile River is the longest river in the world.

The Sahara Desert is the largest desert in the world.

The Amazon Rainforest is the largest rainforest in the world.