The Atmosphere
Clouds
The Water Cycle
Weather & Water
More Clouds
100
The layer of the atmosphere that is closest to Earth's surface.
What is the Troposphere?
100
These are gray clouds that cover the lower part of the sky; rain or snow falls from them. 
What are stratus clouds?
100
Examples of this process would be rain, sleet, snow, and hail.
What is precipitation?
100
This is the amount of water vapor in the air
What is humidity?
100
This cloud is thick and gray and causes steady rainfall or snowfall
What is nimbostratus?
200
This layer is the home of the ozone layer
What is the Stratosphere?
200
These clouds are white and puffy they sort of resemble cotton balls. They can also be associate with fair weather.
What are cumulus clouds?
200
In this process, water vapor turns into water droplets which forms clouds.
What is condensation?
200
These are individuals who study, predict, and forecast the weather.
What are meteorologists?
200
These are mid-level clouds that often bring overcast skies.
What are altostratus clouds?
300
In this layer of the atmosphere, you can find a phenomenon known as the Northern Lights.
What is the Thermosphere?
300
These clouds are thin and wispy and can be seen pretty high up in the sky. They are often an indication of rain or snow
What are cirrus clouds?
300
In this process, water changes into water vapor.
What is evaporation?
300
This is the boundary between 2 air masses
What is a front?
300
These clouds are low, lumpy layers and can sometimes appear in a patchy pattern.
What are Stratocumulus Clouds?
400
Watch out! In this layer there are burning meteors.
What is the mesosphere?
400
This cloud is known for its towering, anvil-shaped appearance and can produce thunderstorms.
What is cumulonimbus?
400
This process occurs when water vapor is released into the air from plants.
What is Transpiration?
400
This front occurs when a cold front overtakes a warm front
What is an occluded front?
400
These high-level clouds can cover the sky in a thin veil and often indicate approaching precipitation.
What are Cirrostratus clouds?
500
You can find the Ionosphere between these 2 layers.
What are the Mesosphere and Thermosphere?
500
These middle-level clouds often form in rows or clusters and can have a puffy appearance.
What are altocumulus clouds?
500
The phenomenon in the photo occurs when water flows over the ground surface rather than soaking into the ground.
What is runoff?
500
This is the process where water falls to Earth as precipitation & it then collects in streams, oceans, lakes, icebergs, puddles, and rivers.
What is accumulation?
500
These high, small, and white clouds can form in a wavy or rippled pattern.
What are cirrocumulus clouds?