Oceans
Geography
Forests
The "Art" in Earth
Plastic Waste
100
The deepest oceanic trench on Earth, located in the western Pacific.
What is the Mariana Trench?
100
The second-largest island of the British Isles, home to the Cliffs of Moher.
What is Ireland?
100
The world's largest tropical rainforest, located in South America. 
What is the Amazon Rainforest?
100
The natural light display in the night sky caused by interactions between Earth's magnetic field and charged particles from the Sun.
What is the Aurora Borealis or Northern Lights?
100
Tiny pollutant particles that originate from the breakdown of larger plastics in the environment or are intentionally manufactured.
What are microplastics?
200
World's largest coral reef system that is located on the coast of Australia (and is the home of Nemo).
What is the Great Barrier Reef?
200
The largest continent by land mass.
What is Asia?
200
The industry responsible for over 80% of deforestation on Earth.
What is agriculture?
200
The famous artist whose garden in Giverny was a common motif in his paintings.
Who is Claude Monet?
200
Country with the most plastic waste globally, generating around 60 million tons annually, closely followed by the United States with 42 million tons.
What is China?
300
The rhythmic rise and fall of the sea caused by the gravitational pulls of the Moon and the Sun.
What are tides?
300
Country with the largest active volcano on Earth, which erupted most recently in 2022.
What is the United States?
300
The world's tallest grass and fastest growing plant with approximately 35% more oxygen production than regular trees, making up forests that act as the primary food source for giant pandas and red pandas.
What is bamboo?
300
A rare gemstone formed when a mollusk encounters an irritant, like a grain of sand, and secretes layers of nacre around it to protect itself.
What is a pearl?
300
The soda company guilty of greenwashing, changing their Sprite bottles from green to clear to avoid the negative media attention associated with recognizable green bottles in landfills while falsely claiming clear bottles are "more environmentally friendly" and "easier to recycle."
What is Coca-Cola?
400
The largest sea turtle in the world that can weigh up to 2,000 pounds!
What is the leatherback?
400
The only country with wild lemurs, located off the southeastern coast of Africa.
What is Madagascar?
400
Salt-tolerant trees that stabilize coastlines by reducing erosion from storm surges, currents, waves, and tides.
What are mangroves?
400
The California desert with the highest ever recorded air temperature on Earth (134.1 F), home to the colorful hills known as Artists Palette, which were formed by volcanic deposits rich in oxidized minerals.
What is Death Valley?
400
Outdoor clothing company that was the first to turn plastic waste into clothing, which shares its name with the southern cold desert region of South America, where rainfall is blocked by the Andes Mountains.
What is Patagonia?
500
A group of sharks with exceptional binocular vision and a 360 degree range of sight.
What are hammerhead sharks?
500
The supercontinent that existed 200-300 million years ago that eventually broke apart to form the continents on Earth today.
What is Pangaea?
500
The type of tree that makes up over 75% of forests in Australia, composed of toxic compounds like cyanide, but is still the major food source for koalas due to their slow metabolisms and detoxifying capabilities. 
What is eucalyptus?
500
American art movement that emerged in the 1960s-1970s that involved creating art out of natural landscapes.
What is Land Art, Earth Art, or Earthworks?
500
Percentage of plastic that is recycled globally, with the rest ending up in landfills, incinerated, or entering the environment.
What is 9%?