Animals
Science & Nature
Geography
History
Language & Thinking
100

This animal is the fastest land animal in the world.

A Cheetah

100

Plants use sunlight to make their own food in this process.

Photosynthesis

100

This is the largest continent in the world.

Asia

100

This famous leader freed the slaves in the United States.

Abraham Lincoln

100

A word that means the opposite of another word is called this.

An Antonym

200

This mammal can fly using its wings.

A Bat

200

This is the hardest natural material on Earth.

A Diamond

200

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

The Equator

200

This day celebrates a country's independence

Independence Day

200

A group of lions is called this.

A Pride

300

This animal sleeps during the day and is active at night.

An Owl

300

Water turns into vapor during this process.

Evaporation

300

This is the longest river in the world.

The Nile River

300

This ancient structure in China was built to protect the country from invaders.

The Great Wall of China

300

This punctuation mark shows excitement or strong feeling.

An Exclamation Point

400

This sea animal has eight arms.

An Octopus

400

This gas is needed for humans to breathe.

Oxygen

400

This country is shaped like a boot.

Italy

400

This famous woman was known as the "Queen of Egypt"

Cleopatra

400

This is the main character of a story.

The Protagonist

500

This animal changes color to blend into its surroundings.

A Chameleon

500

This planet is known as the Red Planet.

Mars

500

This ocean is the largest on Earth.

The Pacific Ocean

500

This ancient city was buried by a volcanic eruption in A.D. 79.

Pompeii

500

This word describes how, when, or where an action happens.

An Adverb

M
e
n
u