Science Unit 7 Lesson 6 Flashcards
What is physical water scarcity?
When there is limited access to water supply.
Over 1.2 billion people worldwide have limited access to water supplies, which is a problem known as …..
physical water scarcity
Even more people live in areas with a lack of money and resources to use existing sources of water, which is a problem known as……
economic water scarcity
What is the definition of economic water scarcity?
When there is a lack of money and resources to utilize adequate sources of water
What is the definition of water privatization?
When private companies buy or operate public water utilities
And 50 percent of the world’s hospital patients are suffering from a what related disease.
water related disease
In Pará, Brazil, hydroelectric dams brought construction jobs and wider access to electricity, but they also displaced people from their homes. What are other effects of this?
Brazil experienced heavy deforestation. Trees were destroyed along with many animals’ habitats.
Cape Town, South Africa, is experiencing a water shortage. Residents can only use 13 gallons of water per day. Why is there a water shortage?
Drought has decreased its water supplies while a growing population has increased demand.
Water is expensive. To save money, Berlin hired private water companies for water management. What was the result?
Higher water prices and lower water quality.
Scientists discovered that water harbors what?
Scientists have discovered that water harbors harmful bacteria and fungicides used for farming. Unsafe water means that people have to drill deeper into aquifers to find clean water.
What caused dam construction?
Many people need electricity and construction jobs. However, this project means that other people will need to leave their homes. The needs of forests and local wildlife will be affected.
What caused unban water shortage?
Urban residents need water for personal use. Farmers need water for agriculture.
What caused the water privatization debate?
Residents need clean, affordable water. City governments need to save money and to ensure citizens have water. Companies need to make a profit.
What caused surface water pollution?
People need clean water for drinking and for personal use. Companies need water for industrial use.
What caused the Nile River Basin Controversy?
Residents of Egypt need steady access to water from the Nile for agriculture, industry, and personal use. Residents of Ethiopia need access to electricity and steady access to water for agriculture.