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6.6 f - Water Unit

Lesson 4 - Human Use and Impact

QuestionAnswer
Humans affect the _____ of Earth’s water.  quality, availability, and distribution
What percentage of water is salt water on Earth? 97%
Available fresh water, the percent of fresh water available to be used by humans and other organisms, makes up _____ of the water on Earth. about one percent
Water has a role in the natural and human-made environment. True or false True
Water is essential for _____. support living organisms, agriculture and power generation
Accessibility of clean, fresh water is extremely important in maintaining __________ __________. public health
__________ _________________is the use and planning for future use of water.  water management
Most of Earth’s water is _____ water. salt
_____ is the science of farming and uses about a third of the fresh water available. agriculture
How do water treatment plants make water clean tap water available for use to people? Water treatment plants can filter and disinfect large amounts of water from reservoirs.
____________ is one way in which water is used for agriculture. Irrigation
_______________ livestock is one way farmers use fresh water. Hydrating
Water is used for producing electricity by.... being heated to produce steam which turns the turbines in a power plant.
Created by: Johnsopd
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