History
Geography
Animal Kingdom
Music & Rhythm
Ocean Creatures
100

This event began in 1929 and led to widespread economic hardship.

The Great Depression

100

This country is home to Machu Picchu.

Peru

100

This insect is known for its complex hive structure and dance communication

Honeybee

100

This artist is known for the albums Thriller and Bad

Michael Jackson

100

This marine mammal uses echolocation to navigate and hunt underwater

Dolphin

200

This ancient city was buried by a volcanic eruption in 79 AD and rediscovered centuries later.

Pompeii

200

This desert is the largest desert in the world.

Antarctica

200

This mammal has the longest gestation period of any land animal.

Elephant

200

This composer wrote Ode to Joy and continued composing after losing his hearing.

Beethoven

200

This colorful reef-dwelling fish inspired a forgetful character in Finding Nemo.

Blue Tang

300

This U.S. president signed the Civil Rights Act of 1964.

Lyndon B. Johnson 

300

This U.S. city is nicknamed “The Mile High City.”

Denver, CO

300

This amphibian can regenerate its limbs and is often used in scientific research.

Axolotl

300

This musical term means “to gradually get louder."

Crescendo

300

This deep-sea predator has a bioluminescent lure dangling from its head to attract prey

Anglerfish

400

This revolution overthrew the monarchy in Russia in 1917.

Bolshevik Revolution

400

This island nation lies southeast of India and is known for its tea exports.

Sri Lanka

400

This bird migrates thousands of miles between the Arctic and Antarctic.

Arctic Tern

400

This composer wrote The Four Seasons.

Vivaldi

400

This mollusk uses jet propulsion to escape predators and can change color instantly.  

Squid

500

This treaty ended World War I and imposed harsh penalties on Germany.

Treaty of Versailles

500

This strait separates Russia and Alaska.

Bering Strait

500

This animal has the largest brain-to-body ratio in the animal kingdom.  

Shrew

500

This scale has five notes and is common in blues and folk

Pentatonic Scale

500

This crustacean can punch with the force of a bullet and sees polarized light.  

Mantis Shrimp