Water: Its Important! Mr. Ellis. Do Now Why do you think water is important? What does it do for you? Why do you think water is important? What does it.
Post on 28-Dec-2015
Water: Its Important!Mr. EllisDo NowWhy do you think water is important? What does it do for you?How Much Water?So, the planet is made of 70% water, that means that we have SO much? Right?Well, not necessarily.Although we have a lot of water, not all of it is readily available for use. A lot of this water is trapped.Question 1Write down how you think the water is trapped?Ocean WaterApproximately 97% of all water is found in the Oceans of the world. Is this water usable*?Question 2What does usable mean?Salt WaterSalt Water97% of the Earths waterWe cannot drink this water, or use it to water most plant life.We can only use this water if we use a very expensive process called Desalination*.Fresh Water*3% of the Earths waterWe know that we can drink fresh water. But theres still some problems with fresh water. Some of it is trapped*. Lets find out how its trapped.Most Fresh is FrozenSo we have 3% fresh water. But most of this is trapped.Most of the fresh water is trapped in Ice.This includes Glaciers, Snow, and Ice Caps.Of the 3% of Fresh Water, Running Out of WaterOK, so I think we might have a problem.If most of the fresh water is trapped in ice, how much do we have for drinking, agriculture, and life in general?So where do we get our fresh water from?Ground Water*Some fresh water is found in the ground.Does anyone have a well at home?Has anyone dug a whole in the ground, and water started to come up?Of the Surface Water*Surface water is water that is readily available for use. Examples: Ponds, Lakes, Rivers, Streams, PuddlesOf the 3% of fresh water, .3% is Surface water. .3%So what have we learned?Even though Earth has a lot of water, we cannot use most of it.Most of it is trapped in the oceans, ground, or is frozen. Only a very small amount, .3%, is able to be used by life (fresh water). So we need to preserve as much water as possible!ConclusionThe Earth is 70% Water97% is Salt Water (we cant drink this)3% is Fresh Water
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