Water Cycle and Its Importance

The video tutorial covers the importance of water, the water cycle, human impacts on the cycle, and water conservation. It begins with an introduction and learning objectives, followed by a discussion on the significance of water for life. The water cycle is explained in detail, including processes like evaporation, condensation, and precipitation. The video also explores negative and positive human impacts on the water cycle, such as deforestation and reboisation. Finally, it discusses water conservation methods and criteria for clean water, concluding with a summary and encouragement for further learning.

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

• 71%

• 50%

• 97%

• 85%

Which of the following is NOT a benefit of water for humans?

• Photosynthesis

• Bathing

• Cooking

• Drinking

What is the process called when water vapor turns into liquid water?

• Evaporation

• Condensation

• Transpiration

• Infiltration

What is the term for the process where plants release water vapor into the air?

• Evaporation

• Condensation

• Precipitation

• Transpiration

What is the term for the process of water soaking into the ground?

• Condensation

• Precipitation

• Infiltration

• Evaporation

Which human activity can disrupt the water cycle by preventing water absorption into the ground?

• Recycling

• Reforestation

• Deforestation

• Building concrete structures

What is the term for planting trees to restore a forest?

• Deforestation

• Reforestation

• Urbanization

• Desertification

Which of the following activities can positively impact the water cycle?

• Building more roads

• Burning forests

• Creating biopores

• Polluting rivers

Which of the following is a characteristic of clean water?

• Is colorless

• Is acidic

• Contains bacteria

• Has a strong odor

What is a simple way to conserve water at home?

• Leave taps running

• Use water excessively

• Take long showers

• Fix leaking taps