Water Usage and Management Concepts

The video tutorial discusses water resources, highlighting the limited availability of fresh water and the continuous water cycle. It explains the differences between surface water and groundwater, including concepts like aquifers and the water table. The tutorial also covers the main uses of water in agriculture, industry, and domestic settings, addressing challenges such as evaporation in irrigation and the impact of urbanization on water replenishment.

What percentage of Earth's water is fresh and available for use?

• 10%

• Less than 1%

• 3%

• 71%

Which process in the water cycle involves water vapor turning into liquid?

• Evaporation

• Condensation

• Transpiration

• Precipitation

What is the term for water running directly from land into a river without infiltration?

• Zone of saturation

• Watershed

• Aquifer

• Reliable runoff

What is the primary use of water in agriculture?

• Drinking

• Irrigation

• Hydroelectric power

• Manufacturing

Which sector uses 20% of water for manufacturing goods?

• Agriculture

• Industry

• Recreational

• Domestic

What is a major problem with irrigation systems in agriculture?

• Excessive water usage

• Lack of water sources

• Water evaporates before reaching the ground

• Water pollution

What is the main use of water in the industry?

• Irrigation

• Cooling systems

• Residential use

• Manufacturing of goods

Which of the following is a domestic use of water?

• Sprinklers

• Manufacturing

• Irrigation

• Hydroelectric power

What is the least percentage of water used for in residential areas?

• Faucet

• Laundry

• Bath

• Toilet

How has water usage changed over the last century?

• Decreased by half

• Increased sevenfold

• Doubled

• Remained the same