Chapter 4: Sustainable Management of Water

What is the process called when water changes from a liquid to a gas?

• Condensation

• Evaporation

• Precipitation

• Filtration

Which of the following is a renewable source of freshwater?

• Ocean water

• Rainwater

• Saltwater

• Groundwater

What is the main purpose of a water treatment plant?

• To pollute water

• To clean water for safe use

• To store water underground

• To evaporate water

Which term describes the careful use and protection of water resources?

• Pollution

• Conservation

• Erosion

• Irrigation

Which of the following is an example of water pollution?

• Planting trees near rivers

• Dumping chemicals into a lake

• Using rain barrels

• Building dams

Which method can be used to reduce water wastage at home?

• Leaving taps running

• Fixing leaking pipes

• Washing cars with a hose

• Watering lawns at noon

Why is it important to use water-saving devices in households?

• To increase water bills

• To waste more water

• To conserve water resources

• To pollute water

Why does the irrigation method help in sustainable management of water in agriculture?

• Delivering it precisely where and when it's needed, reducing losses from evaporation and runoff

• increases runoff

• increases losses from evaporation and runoff

• to grow crops

How can reusing rain water contribute to sustainable water management?

• By increasing water pollution

• By reducing the demand for fresh water

• By wasting water

• By causing droughts

Which of the following actions can help prevent water pollution in rivers?

• Throwing garbage into rivers

• Using eco-friendly detergents

• Dumping oil into drains

• Washing cars in streams