Water - Why Care? LEQ: Why is it important to conserve water?

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Presentation transcript:

Water - Why Care? LEQ: Why is it important to conserve water? LEQ: How is water distributed on Earth? Imagine a world without water. The planet is a barren desert. There are no cool green forests or deep oceans. The world is silent – no rain falls onto the rooftops. No clouds shield our planet from the hot sun. Even the shape of the land is different. Without water to wear them down, the mountains are jagged and rough. There are no Great Lakes, Niagara Falls, and no Grand Canyon.

Distribution of Earth’s Water Teacher demonstration of different %s that water is found in Summarizer: worksheet and graph

All the Water in the World Did you know…? Earth is called the Water Planet Approximately ¾ of the Earth’s surface is covered with water The Earth has different types of water Oceans 97.2% of total water Icecaps/glaciers 2.38% Groundwater 0.397% Surface (lakes, rivers, streams, ponds) 0.022% Atmosphere 0.001% Grand Total 2.799 + 0.001 + 97.2 = 100%

Where did Earth's water come from?

How do People Use Water? In addition to household purposes, people use water for agriculture, industry, transportation, and recreation.

Summarizer for Uses ..\summarizers\Five Categories of Water Use key.docx

You might be surprised… statistics on water use for common foods

Water Used in Your Home p. 17 Task Water Used (liters) Showering 5 mins. 95 liters Brushing teeth water on water off 10 liters 1 liter Washing hands 7.5 liters Flushing standard low flow 23 liters 6 liters Laundry one load 151 liters dishwasher 19 liters Wash dishes by hand 114 liters 23:6 save 17 liters per flush; how much water is being used for three people in your family to take a ten minute shower? 570 liters 3x(5 x2); how much water is being saved if you wash the dishes by a dishwasher than washing them by hand )=(114 – 19 = 95 liters); if you ran one load of laundry every day, how much water will be used after a two week period ( 151 x 7 x 2 =2114 liters) How much water a day would a person save per flush by replacing a standard toilet with low flow toilet?

Water Crisis Water Our Most Important Resource water conservation

Big Idea: Earth is the Water Planet Summarizer Create a well-written paragraph using the information seen in the video clip to support the above statement. You must include at least three supporting details in your written response. Big Idea: Earth is the Water Planet Summarizer