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4 How does your ecological footprint compare to
- thers around the world?
Human Impacts on Earth Classwork & Homework www.njctl.org - - PDF document
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 Slide 4 / 58 What impact do humans have on the Earth? 1 Classwork: Human Impacts Slide 5 / 58 Slide 6 / 58 2 What are the two ways we
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9 What is an ecological footprint? Draw a picture of the three biggest contributors to your ecological footprint.
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Classwork: Negative Human Impacts
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10 Define carrying capacity
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11 Define pollution and the three main areas.
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12 What are three ways humans have impacted the land?
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13 Describe one type of land pollution you have
- bserved in your community. How did the
pollution impact the land?
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14 Humans have changed the ___________________, ___________________ and ___________________ of Earths water supplies.
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15 What are four impacts of dams on the surround ecosystems?
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16 What are the three main causes of increased levels of air pollution and decreased air quality?
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17 What are the main factors behind global warming?
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18 What are 5 signs of global warming?
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19 Describe the greenhouse effect.
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20 Is the greenhouse effect beneficial or harmful? Explain why.
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21 What is biodiversity and why is it important?
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22 Earth is in its ________________ extinction crisis with an estimated ________________ species being driven to extinction every year.
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23 List four causes for the increased number
- f species going extinct.
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24 Define bioaccumulation.
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25 Describe how have human’s impacted space?
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26 Do human impacts in one of the earth’s spheres impact the other spheres? Why or why not?
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Homework: Negative Human Impacts
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27 Define resource depletion. What are the two driving behind resource depletion?
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28 List 5 negative impacts humans have had on Earth
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29 Define the following terms Deforestation: Desertification: Soil Depletion:
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30 After mining an area, companies often restore the
- area. Would this still be a type of land pollution?
Why or why not?
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31 How does land pollution affect the quality of water?
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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
- n the amount of useable water?
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33 Your friend claims that air pollution only comes from human sources. Are they correct? Why or why not?
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34 What sources of air pollution have you observed in your community?
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35 Define global warming.
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36 What cause the hole in the ozone? Why is it harmful?
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37 What are three reason for the increased habitat destruction?
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38 Describe the impacts of an invasive species and how it might drive a species to extinction.
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39 Draw and label the process of bioaccumulation.
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40 Give an example of a negative human impact in
- ne sphere that impacts the other spheres.
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Classwork: Positive Human Impacts
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41 List four positive impacts human have had on Earth
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42 Define reforestation.
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43 How do new technologies have a positive impact on the Earth? Give an example.
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44 What are five daily changes you can make to reduce your impact on Earth?
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45 What are nonrenewable resources? Why are harmful for the Earth?
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Homework: Positive Human Impacts
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46 What is the difference between recycling and reuse/upcycling? Give an example of each.
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47 What is one example of how legislation has led to a positive impact on the Earth?
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48 Define sustainable agriculture
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49 What are four ways you can reduce your impact
- n Earth?