The smallest chemical unit of matter
What is an atom?
The amount of moisture in the air
What is humidity?
The mass of air surrounding a planet
What is atmosphere?
A substance that is dissolved
What is a solute?
A dense, icy pack of old snow
What is a firn?
The number of centimeters in 1.3 meters
What is 130cm?
This gas makes up the majority of the air we breathe
What is nitrogen?
This phenomenon occurs in the thermosphere
What are auroras?
The phenomenon that occurs when water molecules move around but still stay close together as they move
The largest source of liquid freshwater on the planet
What is groundwater?
Grams are one measurement for this
What is mass?
An increase in this gas will cause fires to burn longer
What is oxygen?
These regions of the atmosphere are in the homosphere
What are the troposphere, stratosphere, and mesosphere?
The chemical formula for carbon dioxide
What is CO2?
The two hydrologic cycle processes that happened to move water from the ocean to a cloud
What are evaporation and condensation?
The bluish-green substance resulting when copper atoms link with oxygen, carbon, and hydrogen atoms
What is copper hydroxycarbonate?
This gas was decreased by the use of catalytic converters
What is carbon monoxide?
The change from a solid to liquid to gas is caused by this
What is energy? (or What is heat?)
The reason that water is a liquid at room temperature when all similar substances are gasses
What are hydrogen bonds?
This type of water pollution is the hardest to tract back to its source
What is groundwater pollution?
The reason that baking bread and thereby creating poisonous ozone gas is not dangerous
What is concentration?
The reason that a glass of water outside will not evaporate
What is relative humidity of 100 percent?
CFCs are pushed into the ozone layer by this
What is the polar vortex?
The reason that a substance will dissolve in water but not in oil
What is polarity?
The pipes that carry the expanded gas are located here on a refrigerator