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 can measure how 3 List 4 things humans depend on the natural humans have changed the Earth? environment for
Slide 7 / 58 Slide 8 / 58 4 How does your ecological footprint compare to 5 What are the two types/cause of global others around the world? change? Give an example of each you have seen in your environment or ecosystem. Slide 9 / 58 Slide 10 / 58 6 What are three areas of the Earth humans have impacted? Homework: Human Impacts Slide 11 / 58 Slide 12 / 58 8 Define Anthropocene Era and when does it start 7 Describe how humans are agents of change.
Slide 13 / 58 Slide 14 / 58 9 What is an ecological footprint? Draw a picture of the three biggest contributors to your ecological footprint. Classwork: Negative Human Impacts Slide 15 / 58 Slide 16 / 58 - 10 Define carrying capacity 11 Define pollution and the three main areas. Slide 17 / 58 Slide 18 / 58 12 What are three ways humans have 13 Describe one type of land pollution you have impacted the land? observed in your community. How did the pollution impact the land?
Slide 19 / 58 Slide 20 / 58 14 Humans have changed the 15 What are four impacts of dams on the ___________________, ___________________ and surround ecosystems? ___________________ of Earths water supplies. Slide 21 / 58 Slide 22 / 58 16 What are the three main causes of 17 What are the main factors behind global increased levels of air pollution and warming? decreased air quality? Slide 23 / 58 Slide 24 / 58 18 What are 5 signs of global warming? 19 Describe the greenhouse effect.
Slide 25 / 58 Slide 26 / 58 20 Is the greenhouse effect beneficial or 21 What is biodiversity and why is it harmful? Explain why. important? Slide 27 / 58 Slide 28 / 58 22 Earth is in its ________________ extinction 23 List four causes for the increased number crisis with an estimated ________________ of species going extinct. species being driven to extinction every year. Slide 29 / 58 Slide 30 / 58 24 Define bioaccumulation. 25 Describe how have human’s impacted space?
Slide 31 / 58 Slide 32 / 58 26 Do human impacts in one of the earth’s spheres impact the other spheres? Why or why not? Homework: Negative Human Impacts Slide 33 / 58 Slide 34 / 58 27 Define resource depletion. What are the two 28 List 5 negative impacts humans have had on driving behind resource depletion? Earth Slide 35 / 58 Slide 36 / 58 - 29 Define the following terms 30 After mining an area, companies often restore the area. Would this still be a type of land pollution? Deforestation: Why or why not? Desertification: Soil Depletion:
Slide 37 / 58 Slide 38 / 58 - - 31 How does land pollution affect the quality of 32 There is a fixed amount of water on Earth and a water? very limited amount of useable freshwater. With an increasing population what affect will it have on the amount of useable water? Slide 39 / 58 Slide 40 / 58 - - 33 Your friend claims that air pollution only comes 34 What sources of air pollution have you observed from human sources. Are they correct? Why or in your community? why not? Slide 41 / 58 Slide 42 / 58 - - 35 Define global warming. 36 What cause the hole in the ozone? Why is it harmful?
Slide 43 / 58 Slide 44 / 58 - - 37 What are three reason for the increased habitat 38 Describe the impacts of an invasive species and destruction? how it might drive a species to extinction. Slide 45 / 58 Slide 46 / 58 - - 39 Draw and label the process of bioaccumulation. 40 Give an example of a negative human impact in one sphere that impacts the other spheres. Slide 47 / 58 Slide 48 / 58 41 List four positive impacts human have had on Earth Classwork: Positive Human Impacts
Slide 49 / 58 Slide 50 / 58 42 Define reforestation. 43 How do new technologies have a positive impact on the Earth? Give an example. Slide 51 / 58 Slide 52 / 58 44 What are five daily changes you can make to 45 What are nonrenewable resources? Why are harmful for the Earth? reduce your impact on Earth? Slide 53 / 58 Slide 54 / 58 46 What is the difference between recycling and reuse/upcycling? Give an example of each. Homework: Positive Human Impacts
Slide 55 / 58 Slide 56 / 58 47 What is one example of how legislation has led to 48 Define sustainable agriculture a positive impact on the Earth? Slide 57 / 58 Slide 58 / 58 49 What are four ways you can reduce your impact 50 Give an example of renewable resources and explain why they are better for the environment. on Earth?
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