The very thin, invisible shield surrounding and protecting the Earth.
What is the Atmosphere?
This element covers three fourths (75%) of the Earth's Surface.
What is water?
The line where warm air mass and a cold air mass meet.
What is a front?
Gases, like matter, are made up of these small, invisible particles.
What are Molecules?
The changes and movements of Earth's water.
What is the Water Cycle?
This occurs when the Sun shines on an ocean or another body of water.
What is evaporation?
We live in this layer of the atmosphere.
What is the troposphere?
This is the invisible and gas state of water.
What is Water Vapor?
This type of cloud is thin, wispy, made of ice crystals and usually means fair, pleasant weather.
What is cirrus?
The lowest part of the stratosphere.
What is the ozone layer?
The Earth gets energy from this to power the water cycle and helps water change from one state to another.
What is the Sun?
This instrument measures air pressure.
What is a barometer?
The Ozone Layer absorbs these from the Sun.
What are Ultraviolet Rays?
Groundwater collects in these tiny spaces between particles of soil and in layers of porous rock. These are considered underground reservoirs of water.
What is an aquifer?
This instrument measures the wind.
What is an anemometer?