Let's start by talking about how much water is available to you. Before you continue, get the graphing sheet from your teacher, or click on this link to print your own. As you read the article draw in the pieces of the pies and label them with the corresponding title and percentages.
1
1
How much of the Earth's fresh water is available on the surface of Earth?
97%
52%
3%
1%
2
1
All of the available fresh water on the surface of Earth is accessible to drink.
True
False
3
1
All of the following are forms of precipitation, EXCEPT
rain
hail
sleet
clouds
snow
4
1
What is the name of the process by which liquid water turns into water vapor? (this is a one word answer)
5
1
What is the name of the process by which the water in plants and animals evaporates and enters the atmosphere? (this is a one word answer)
6
1
What is the name of the process by which the water vapor turns into clouds? (this is a one word answer)
On the video, you heard some of these vocabulary words. There are a couple more words you should know. Read the following descriptions and use them to label the diagram that follows.
Accumulation - the process in which water pools in large bodies (like oceans, seas and lakes).
Condensation - the process in which water vapor (a gas) in the air turns into liquid water. Condensing water forms clouds in the sky. Water drops that form on the outside of a glass of icy water are condensed water. (This term appears twice in the diagram.)
Evaporation - the process in which liquid water becomes water vapor (a gas). Water vaporizes from the surfaces of oceans and lakes, from the surface of the land, and from melts in snow fields.
Precipitation - the process in which water (in the form of rain, snow, sleet, or hail) falls from clouds in the sky.
Subsurface Runoff - rain, snow melt, or other water that flows in underground streams, drains, or sewers.
Surface Runoff - rain, snow melt, or other water that flows in surface streams, rivers, or canals.
Transpiration - the process in which some water within plants evaporates into the atmosphere. Water is first absorbed by the plant's roots, then later exits by evaporating through pores in the plant.
Use the words above to label the diagram below.
7
8
9
10
11
12
7
1
8
1
9
1
10
1
11
1
12
1
13
1
Where does the energy that powers the water cycle come from?
gravity
electricity
the Sun
nuclear power plants
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