Worksheet: Human impacts on the environment | Middle school Earth and space science | Khan Academy
Comprehension worksheet generated from the video "Human impacts on the environment | Middle school Earth and space science | Khan Academy".
Worksheet: Human impacts on the environment | Middle school Earth and space science | Khan Academy
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Vocabulary
- Pollution — Toxic particles in our air or waterways, or a simple trash pile.
- Overfishing — The practice of catching too many fish, which can drive wildlife to extinction.
- Deforestation — The clearing of forests, which can disrupt natural processes and drive wildlife to extinction.
- Droughts — Periods of unusually low rainfall, which can be exacerbated by human water usage.
Questions
Watch the video and answer the following questions based on the information presented.
1.
At the beginning of the video (0:09), what specific individual action is shown as an example of how human activities can have an impact on the world?
2.
Besides pollution, name two other complex environmental problems mentioned in the video (0:42) that human activities contribute to.
3.
According to the video (1:22), what was the primary economic and social reason Iran began diverting water from rivers flowing into Lake Urmia in the 1980s?
4.
At one point (2:25), what percentage of its historical water volume did Lake Urmia lose due to human activities and droughts?
5.
The video highlights the complex interplay between human activities, natural resources, and environmental changes through the case of Lake Urmia. Discuss how the various actions taken by people in the region (e.g., farming practices, dam construction) led to the environmental catastrophe, and then describe at least two different types of solutions implemented to address the problem. What does this case study teach us about the importance of considering multiple factors when seeking sustainable solutions to environmental challenges?
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