Famous Landmarks
World Geography
Weird Sea Animals
Space and Stars
The Environment
100

This large amphitheater was used for gladiator battles and public spectacles.

The Colosseum

100

This is the latitude line at 0 degrees, which divides the Earth into the Northern and Southern Hemispheres.

Equator 

100

This animal has three hearts, two of which pump blood to the gills, while the third pumps it to the body.

Octopus

100

The first human to walk on the Moon was:

Neil Armstrong

100

These tiny plastic particles, smaller than 5 millimeters, are often the result of larger plastic items breaking down in the environment.

microplastics

200

Found in India, this white marble mausoleum was built by Emperor Shah Jahan for his wife.

The Taj Mahal

200

This sea between Israel and Jordan is so salty that people can float effortlessly.

The Dead Sea

200

This creature can re-grow its head after decapitation.

Sea Star

200

This space phenomenon is caused by charged particles from the Sun interacting with Earth’s magnetic field.

An aurora (northern/southern lights)

200

This renewable energy source comes from the heat beneath the Earth's surface and is used in geothermal power plants.

geothermal energy

300

This canyon in Arizona is known for its stunning red rocks and vast size.

The Grand Canyon

300

This country spans 12 time zones, more than any other in the world.

Russia

300

This shark has no bones and instead has cartilage, making its body flexible and light.

Hammerhead Shark

300

This galaxy is our own, known for its spiral shape.

Milky Way

300

This type of natural resource is finite and cannot be replenished on a human timescale, such as coal or oil.

non renewable resource

400

This ancient city in Peru, built by the Incas, is often called the “Lost City.”

Machu Picchu

400

Mount Everest, the tallest mountain in the world, is located on the border of these two countries

Nepal and China

400

Dolphins communicate with each other using these high-pitched sounds, which they use for navigation and social interaction.

echolocation

400

This planet has the shortest day, rotating fully on its axis in just 9 hours and 55 minutes.

Jupiter

400

This is a natural or artificial reservoir that absorbs more carbon dioxide from the atmosphere than it releases, helping to reduce the impact of climate change.

Carbon Sink

500

Found in the Pacific Ocean near Chile, this island is famous for its giant stone statues called Moai.

Easter Island

500

This is the most populated city in the world, with over 37 million people.

Tokyo

500

This animal can survive without a heart or brain for months by shutting down its bodily functions entirely.

Jellyfish

500

This is the stage after a supernova when a star collapses into an extremely dense point in space.

Black Hole

500

What is the process called when corals expel the algae living in their tissues due to stress from warmer water temperatures, turning the coral white and often leading to its death?

Coral Bleaching