Lesson 1-2
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Water is a ________ _________ that is ___________ for ___________ and other ____________
natural resource essential humans and other organisms
Water
a luquid that makes up oceans rivers and lakes. It falls from the clouds as rain
What is solid water called?
ice
What is water in gas form called ?
water vapor
Essential
Needed for survival
Natural resources
things we use that are found in nature
Environment
Everything that surrounds a living thing
resource
Things we use that meet our needs and wants
Can humans survive without water?
No!
How much of the earth’s water is salty?
97%
How much of the earth’s surface is made up of oceans, seas, pilar ice caps, glaciers, rivers, streams, ponds?
About 2/3 (two thirds)
Humans are about ____% water.
70