Water Conservation and Quality Assessment

The video tutorial by Professor Ana Caroline explores the significance of water on Earth, highlighting its distribution, forms, and states. It explains that while 70% of Earth's surface is water, only 2.5% is freshwater. The video also covers the characteristics of potable water and the challenges of water scarcity, emphasizing the need for conservation and sustainable use.

What is the predominant color of Earth when viewed from space?

• Blue

• Brown

• Green

• White

What percentage of Earth's surface is covered by water?

• 50%

• 60%

• 70%

• 80%

What percentage of Earth's water is fresh water?

• 10%

• 20%

• 2.5%

• 1%

Where can fresh water be found on Earth?

• Oceans

• Rivers, lakes, and glaciers

• Mountains

• Deserts

What is an example of water in its solid state?

• Rain

• Steam

• Fog

• Ice

What is an example of water in its gaseous state?

• Steam

• Ice

• Rain

• Snow

What is a characteristic of potable water?

• It is colored

• It has a strong odor

• It contains microorganisms

• It is transparent

What process does water undergo to become potable?

• Boiling

• Filtration

• Treatment at a water treatment plant

• Distillation

What is a major concern regarding water in the current century?

• Water pollution

• Water temperature

• Water scarcity

• Water abundance

How can individuals help in water conservation?

• Reducing daily water usage

• Using more water daily

• Ignoring water leaks

• Recycling water