Water
In what three states can water naturally exist on Earth?
Liquid,solid and gas
What is the largest continent on Earth?
Asia
What is the name of the tool used by firefighters to extinguish small fires?
Fire extinguisher
What gas do humans and animals primarily exhale?
Carbon dioxide
All four elements
What is the process of water turning into vapor?
Evaporation
What is the name of the supercontinent that existed about 300 million years ago?
Pangaea
What color is the hottest part of a flame?
Blue
What is the gas that humans need to breathe in order to survive?
Oxygyn
What is the name of the Avatar before Aang?
Roku
How much of the Earth's surface is made of water?
Around 70%
What is the name of the imaginary line that divides the Earth into the Northern and Southern Hemispheres
equator
What is the main element of Fire?
Oxygen
What is the term for the measure of the amount of moisture in the air?
Humidity
What was the day of the solar eclipse called?
The Day of Black Sun
Which ocean is the largest on Earth?
Pacific
What is the name of the highest mountain on Earth?
Mount Everest
What material is commonly used in fire blankets to extinguish flames by smothering them?
Fiberglass or wool
What gas in the atmosphere protects us from the sun's harmful ultraviolet radiation?
Ozone
What is the name of the military group in Ba Sing Se?
The Dai Li
What is the name of the deepest part of the Earth's oceans?
The Mariana Trench
Which element is the most abundant in the Earth’s crust
Oxygen
Which gas is often used in fire suppression systems because it does not support combustion?
CO2
What do we call the movement of air from one place to another?
Wind
What is the spiritual animal that gave Aang the ability to energy bend?
The Lion Turtle