Water Quality and Environmental Impact

The video explores Earth's water systems, including the origins, states, and distribution of water. It delves into the importance of watersheds, the impact of human activity on the water table, and the effects of climate change on glaciers. The video also explains how water influences weather patterns, assesses water quality, and describes the journey of water from nature to our taps. It concludes with a call to action for water conservation.

What percentage of Earth's water is fresh?

• 70%

• 2.5%

• 50%

• 10%

What is a watershed?

• A storage tank for water

• A drainage basin collecting rain and snow

• A type of water filter

• A water purification process

How can human activities affect the water table?

• By creating more rivers

• By increasing rainfall

• By reducing evaporation

• By over-pumping groundwater

What happens when glaciers and polar ice caps melt?

• New ice forms

• No change in sea levels

• Sea levels rise

• Sea levels decrease

What role do clouds play in Earth's temperature regulation?

• They only trap heat

• They have no effect on temperature

• They only reflect sunlight

• They reflect sunlight and trap heat

How does climate change affect the water cycle?

• It slows down the cycle

• It stops precipitation

• It accelerates evaporation

• It has no effect

What is the main cause of rising sea levels?

• Formation of new glaciers

• Increased rainfall

• Melting of ice caps

• Decreased evaporation

What is the first step in water treatment?

• Coagulation

• Disinfection

• Sedimentation

• Filtration

What is turbidity in water quality assessment?

• The pH level of water

• The clarity of water

• The color of water

• The temperature of water

Why is maintaining water quality important?

• To support aquatic life and human health

• To ensure water is tasty

• To reduce water usage

• To increase water temperature