U.S. Geography
World Geography
Science Basics
Human Body
American History
100

This city is the capital of the United States.

Washington, D.C.

100

This continent is home to the Sahara Desert.

Africa
100

This planet is known as the Red Planet.

Mars

100

This organ pumps blood through the body.

Heart

100

This holiday celebrates the adoption of the Declaration of Independence.

4th of July

200

This state is nicknamed the Sunshine State.

Florida

200

This is the largest ocean on Earth.

Pacific Ocean

200

This gas makes up most of Earth’s atmosphere.

Nitrogen

200

These organs are used for breathing.

Lungs

200

These were the first 13 states before independence.

The 13 Colonies

300

This river forms part of the border between Texas and Mexico.

Rio Grande

300

This country is famous for the city of Paris.

France
300

This force pulls objects toward Earth.

Gravity

300

This hard structure protects the brain.

Skull

300

This document begins with “We the People.”

The Constitution

400

These are the two non-contiguous U.S. states

Alaska and Hawaii

400

Mount Everest is found on this continent.

Asia

400

This process turns liquid water into water vapor.

Evaporation

400

This system includes the brain, spinal cord, and nerves.

Nervous System

400

This president is associated with the Emancipation Proclamation.

Abraham Lincoln

500

This mountain range runs along the eastern United States.

Appalachian Mountains

500

This imaginary line divides Earth into the Northern and Southern Hemispheres.

Equator

500

These animals are warm-blooded, have feathers, and lay eggs

Birds

500

What is the Human Body's largest organ?

The Skin

500

This event involved colonists dumping tea into Boston Harbor in 1773.

Boston Tea Party

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