The layer of atmosphere right below the top layer whose prefix means temperature

The layer of atmosphere that is in the middle

An airmass that forms over land

An air mass that forms over water

As you go higher into the atmosphere it is thinner

A front that stays in the same place for a few days

Current that occurs in the eastern Pacific Ocean near the equator: The ocean currents change/shift their usual pattern.

An increase in the world average temperature because of the use of fossil fuels.

An increase in CO2 that leads to Global Warming

A mid latitude global wind that blows mostly in one direction

All the waters of Earth's surface

The layer of rock and soil that groundwater flows through

The top level of groundwater in aquifer. We get our water supply from groundwater

When a substance floats on top of another substance (oil on top of water)

Ice (a solid) changing directly into water vapor (a gas) is the process

Water vapor or ice crystals that join together and condense (condensation)

The measure of how salty water is

Frozen drops of rain

An artificial lake that forms behind a dam

Any form of water that falls from the clouds

Liquid water on the grass formed from condensation fog

Any form of water that moves downhill

At the end of the water cycle, water goes back (deposits) into the bodies of water

A cloud at ground level

A substance that pollutes something, especially water or the atmosphere.