Human Impacts on Earth Classwork & Homework www.njctl.org - PDF document

Slide 1 / 58 Slide 2 / 58 Human Impacts on Earth Classwork & Homework www.njctl.org Slide 3 / 58 Classwork: Human Impacts

Slide 4 / 58 What impact do humans have on the Earth? 1 Slide 5 / 58 2 What are the two ways we can measure how humans have changed the Earth? Slide 6 / 58 3 List 4 things humans depend on the natural environment for

Slide 7 / 58 How does your ecological footprint compare to 4 others around the world? Slide 8 / 58 5 What are the two types/cause of global change? Give an example of each you have seen in your environment or ecosystem. Slide 9 / 58 Homework: Human Impacts

Slide 10 / 58 6 What are three areas of the Earth humans have impacted? Slide 11 / 58 7 Describe how humans are agents of change. Slide 12 / 58 8 Define Anthropocene Era and when does it start

Slide 13 / 58 9 What is an ecological footprint? Draw a picture of the three biggest contributors to your ecological footprint. Slide 14 / 58 Classwork: Negative Human Impacts Slide 15 / 58 10 Define carrying capacity

Slide 16 / 58 - 11 Define pollution and the three main areas. Slide 17 / 58 12 What are three ways humans have impacted the land? Slide 18 / 58 13 Describe one type of land pollution you have observed in your community. How did the pollution impact the land?

Slide 19 / 58 14 Humans have changed the ___________________, ___________________ and ___________________ of Earths water supplies. Slide 20 / 58 15 What are four impacts of dams on the surround ecosystems? Slide 21 / 58 16 What are the three main causes of increased levels of air pollution and decreased air quality?

Slide 22 / 58 17 What are the main factors behind global warming? Slide 23 / 58 18 What are 5 signs of global warming? Slide 24 / 58 19 Describe the greenhouse effect.

Slide 25 / 58 20 Is the greenhouse effect beneficial or harmful? Explain why. Slide 26 / 58 21 What is biodiversity and why is it important? Slide 27 / 58 22 Earth is in its ________________ extinction crisis with an estimated ________________ species being driven to extinction every year.

Slide 28 / 58 23 List four causes for the increased number of species going extinct. Slide 29 / 58 24 Define bioaccumulation. Slide 30 / 58 25 Describe how have human’s impacted space?

Slide 31 / 58 26 Do human impacts in one of the earth’s spheres impact the other spheres? Why or why not? Slide 32 / 58 Homework: Negative Human Impacts Slide 33 / 58 27 Define resource depletion. What are the two driving behind resource depletion?

Slide 34 / 58 28 List 5 negative impacts humans have had on Earth Slide 35 / 58 29 Define the following terms Deforestation: Desertification: Soil Depletion: Slide 36 / 58 - 30 After mining an area, companies often restore the area. Would this still be a type of land pollution? Why or why not?

Slide 37 / 58 - 31 How does land pollution affect the quality of water? Slide 38 / 58 - 32 There is a fixed amount of water on Earth and a very limited amount of useable freshwater. With an increasing population what affect will it have on the amount of useable water? Slide 39 / 58 - 33 Your friend claims that air pollution only comes from human sources. Are they correct? Why or why not?

Slide 40 / 58 - 34 What sources of air pollution have you observed in your community? Slide 41 / 58 - 35 Define global warming. Slide 42 / 58 - 36 What cause the hole in the ozone? Why is it harmful?

Slide 43 / 58 - 37 What are three reason for the increased habitat destruction? Slide 44 / 58 - 38 Describe the impacts of an invasive species and how it might drive a species to extinction. Slide 45 / 58 - 39 Draw and label the process of bioaccumulation.

Slide 46 / 58 - 40 Give an example of a negative human impact in one sphere that impacts the other spheres. Slide 47 / 58 Classwork: Positive Human Impacts Slide 48 / 58 41 List four positive impacts human have had on Earth

Slide 49 / 58 42 Define reforestation. Slide 50 / 58 43 How do new technologies have a positive impact on the Earth? Give an example. Slide 51 / 58 44 What are five daily changes you can make to reduce your impact on Earth?

Slide 52 / 58 45 What are nonrenewable resources? Why are harmful for the Earth? Slide 53 / 58 Homework: Positive Human Impacts Slide 54 / 58 46 What is the difference between recycling and reuse/upcycling? Give an example of each.

Slide 55 / 58 47 What is one example of how legislation has led to a positive impact on the Earth? Slide 56 / 58 48 Define sustainable agriculture Slide 57 / 58 49 What are four ways you can reduce your impact on Earth?

Slide 58 / 58 50 Give an example of renewable resources and explain why they are better for the environment.