Natural Disasters
A natural disaster with clouds and lightning
Thunderstorm
A huge mass of water spanning most of Earth
Ocean
Second most common element in air
Oxygen
3 things that make up atoms
Protons, Neutrons, Electrons
A hierarchy of which animals eat each other
A wind funnel that travels across land
Tornado
A small line of water usually accompanied by reeds and mud
Stream/Creek
What humans breathe out
Carbon Dioxide
The center of an atom
Nucleus
A group of diverse animals, plants, and nonliving things that benefit each other and from each other
Ecosystem
A huge wave caused by underwater earthquakes
Tsunami
A calm and shallow body of water separated from another body of water.
Lagoon
The elements that make up water
Hydrogen, Oxygen
What an atom is
The smallest unit of matter
A group of animals and plants that are eaten and eat each other, making an elaborate web
Food Web
A natural disaster occuring in the desert when there is loose sand
Sand/Dust storm
A large, slow-moving mass of ice
Glacier
The thing that makes up most of our air
Nitrogen
The thing that determines an atom's atomic number
The amount of protons
A link in a food chain that eats dead and rotting parts of the ecosystem
Decomposer
A powerful tropical cyclone with strong wind and heavy rain
Typhoon
Reservoirs
The 3rd most common element in air
Argon
99% of an atom
Empty Space
A species that is necessary to the survival of an ecosystem
Keystone Species