Teacher Yan introduces the importance of the environment, covering key vocabulary such as environment, forest, nature, and deforestation. The video explains the components of the environment, including living and non-living things, and discusses the impact of human activities like pollution and deforestation. It emphasizes the need for preserving natural resources through community efforts and reforestation. The session concludes with activities and homework to reinforce learning.

What is the term used to describe the clearing or cutting down of trees?

• Afforestation

• Deforestation

• Conservation

• Reforestation

Which of the following is NOT considered a man-made resource?

• Buildings

• Vehicles

• Air

• Bridges

Why is air considered a vital natural resource?

• It is used for planting crops

• It is used for making vehicles

• It is essential for breathing

• It is used for building houses

How do forests contribute to human life?

• They are used for building roads

• They are used for mining

• They help maintain oxygen levels

• They provide water for drinking

What is one consequence of deforestation?

• Increased oxygen levels

• Climate change

• More animal habitats

• Less air pollution

Which human activity can lead to soil erosion?

• Shifting cultivation

• Planting trees

• Fishing

• Building roads

What is a recommended action to help renew forests?

• Cutting more trees

• Mining

• Planting new seedlings

• Building more roads

How can communities help preserve natural resources?

• By cutting down more trees

• By educating people about their importance

• By ignoring environmental issues

• By increasing industrial activities

What should be done if trees are cut down?

• Plant new seedlings

• Leave the area barren

• Start mining

• Build a dam

What is one way to keep water resources clean?

• Dumping waste into rivers

• Picking up garbage from rivers

• Building more dams

• Increasing fishing activities