This lesson focuses on the importance of water, its sources, and how it is used in daily life. Students learn to measure and calculate their water usage, analyze household activities, and create graphs to visualize data. The lesson emphasizes the critical role of water in sustaining life and explores strategies for conserving water at home.

What is the main focus of the lesson on water usage?

• The importance and analysis of water usage

• The economic value of water

• The chemical properties of water

• The history of water

Which of the following is NOT a place where water is stored?

• Clouds

• Underground

• Mountains

• Lakes

Why is water considered critically important for life on Earth?

• It is a source of energy

• It is used in construction

• It is essential for all living organisms

• It is used for transportation

What is the average amount of water used for a bath?

• 50 liters

• 30 liters

• 90 liters

• 120 liters

How much water does flushing a toilet typically use?

• 10 liters

• 20 liters

• 15 liters

• 5 liters

Which activity uses the least amount of water on average?

• Getting a drink

• Brushing teeth

• Flushing the toilet

• Taking a bath

What is the first step in calculating household water usage?

• Installing water-saving devices

• Writing down daily water activities

• Drawing a bar graph

• Measuring water in gallons

What tool is suggested for creating a bar graph of water usage?

• Adobe Photoshop

• Google Docs

• Microsoft Excel

• Microsoft Word

Why is it important to save water at home?

• To make water more colorful

• To improve water taste

• To increase water pressure

• To reduce the cost of water treatment

What is a suggested method for saving water at home?

• Taking longer showers

• Letting the tap run while brushing teeth

• Using a dishwasher for small loads

• Fixing leaks promptly