Project # ______: Global Environment – Chapter 19 Reading Packet Name _________________________________________ Resource : Voyagers Textbook Pages 542 - 567 Directions: Actively read each paragraph/ sub-section. Then, summarize the key points. Section 19.1 Pages 542 – 547 N____________________________ R____________________________________ 1. What’s this chapter about? ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ Why is this relevant to my life? ________________________________________________________________________ 2. Earth’s Resources A. Natural Resources = _________________________________________________________________________________ Renewable Resources = Nonrenewable Resources = Examples: Examples: 3. Meeting Energy N__________________________ A. Fossil Fuels = ______________________________________________________________________________________________ 1) Examples: o ________________________ Figure 19-3 o ________________________ o ________________________ 2) How Formed? ______________________________________________ ______________________________________________ ______________________________________________ __________________________________________ 3) Issues: o Pro’s:__________________________________________________________________________________________________ Con’s: _________________________________________________________________________________________________ 1 B. Solar Energy = _________________________________________________________________________________________ o Photovoltaic Cells = _______________________________________________________________________________ 1) Examples: (Fig. 19-4 page # _____________) House Drawing A)__________________________________________________________________________ B) __________________________________________________________________________ C) __________________________________________________________________________ D) __________________________________________________________________________ Issues: o Pro’s:_______________________________________________________________________________________ o Con’s: ______________________________________________________________________________________ E. Wind & W______________________ P_______________________________ o W_____________________ can be used to generate e_______________________________________ o Wind rotates a t__________________________________ which produces e_____________________________ Issues: o Pro’s _________________________________________________________________________________________ o Con’s _________________________________________________________________________________________ F. Geothermal Energy =_____________________________________________________________________________________ o Geothermal power plants use the _______________________________________________________ to generate e_______________________________________ G. N_______________________________ Energy = ________________________________________________________________ o Does not require __________________________________________________________________ o Nuclear fission = ____________________________________________________________________________________ Issues: o Pro’s:_______________________________________________________________________________________ o Con’s: ______________________________________________________________________________________ Section Assessment – 19.1 (page 147) Try to answer these without using the book or your notes as a resource! This will reveal what you don’t know verses what you do know. 1) natural resources = _____________________________________________________________________________________ 2) Renewable Non-renewable Like: Not alike: 5 examples 3) 1____________________________________, 2__________________________________, 3 _______________________________ 4_____________________________________________, 5 _____________________________________________ 4. Explain how fossil fuels could be considered a form of solar energy. _______________________________ 2 Section 19.2 Pages 548 - 554 Conservation and Wildlife Protection 1. E__________________________ Conservation A. 3 ways to conserve n_______________________________ resources: 1. Using l____________________ 2. Using a r___________________________ resource 3. R________________________________ B. Ways homes are being designed/ prepared for energy conservation include: o ______________________________________________________________________________________________ o ______________________________________________________________________________________________ o ______________________________________________________________________________________________ o ______________________________________________________________________________________________ o ______________________________________________________________________________________________ 2. S_______________________ Conservation A. soil depletion = _________________________________________________________________________________ B. Why agriculture leads to soil depletion __________________________________________________ _______________________________________________________________________________________________ C. Farmers replenish the soil in 6 ways: 1. crop rotation = _____________________________________________________________________________ 2. f______________________________ Figure 19-8 (page 549) Draw pictures to help you remember! 3. [A] contour farming = ________________________________ _____________________________________________________________ 4. [B] terraces = _________________________________________ _____________________________________________________________ 5. [C] strip-cropping = __________________________________ _____________________________________________________________ _____________________________________________________________ 6. [D] No-till farming = __________________________________ _____________________________________________________________ _____________________________________________________________ D. Erosion = ______________________________________________________________________________________________ E. soil management = ____________________________________________________________________________________ 3 3. W______________________________ Conservation A. Passenger P___________________________: o 100 years ago there were a _______________________ in _________ o Now e________________________ o Why? H__________________________________________________________________________ B. Extinction = _______________________________________________________________________________________________ o Can occur n______________________________ o The r________________ of extinction is i________________________________ C. (Figure 19-9) 4 reasons why species become extinct: 1. p_____________________________________________ 2. habitat d___________________________________ 3. illegal h_____________________________________ 4. competition with non-native, i_________________________ species (also called invasive species) D. endangered species = __________________________________________________________________________________ E. Example: Bald Eagle o (Figure 19-10) Reason why eagles became endangered _____________________________________ _____________________________________________________________________________________________________________ _____________________________________________________________________________________________________________ o # left in 1960’s = _________________________ o Because of preservation efforts, today ____________________________________________________________ o Cause of most endangered species h__________________________ d_______________________________ F. Reading Check : What does wildlife conservation involve? o _______________________________________________________________________________________________________ o _______________________________________________________________________________________________________ o _______________________________________________________________________________________________________ 4. L__________________________ Conservation A. Early settlers cut down forests to __________________________ and get lumber for ______________________ & ____________________________ B. About 100 years ago, the US gov. began ________________________________________________________________ C. Worldwide, more than ______________________ national parks covering about _________ million km2 D. Deforested areas are being r__________________________. This helps: o restore e__________________________________ o preserve t__________________________________ E. Recycling = _______________________________________________________________________________________________ 4 F. Possible problems from landfills include: o takes up v________________________ land space o can disrupt e________________________________ o s__________________ bad o t____________________ materials can p_______________________ air and water 5. M______________________________ Conservation A. Minerals are n__________________________________ resources B. Minerals and f______________ fuels are obtained by m____________________________ C. Ways mining can be a problem: o disrupting e____________________________ o destroying t_____________________________ o releasing t______________ substances into a______________ and water D. Solutions: c_________________________________ and r_________________________________ Section 19.2 Assessment (page 554) Try to answer these without using the book or your notes as a resource! This will reveal what you don’t know verses what you do know. 2. Describe 4 ways in which a species can become endangered: 1)____________________________________________________________________________________________________________ 2) ___________________________________________________________________________________________________________ 3)____________________________________________________________________________________________________________ 4) ___________________________________________________________________________________________________________ 3. Name 3 ways to conserve nonrenewable resources: 1)____________________________________________________________________________________________________________ 2) ___________________________________________________________________________________________________________ 3)____________________________________________________________________________________________________________ 4. Thinking Critically: What might happen to topsoil during the first rain after a forest fire? ______________________________________________________________________________________________________________________ Why? _______________________________________________________________________________________________________________ Reading & Writing in Science: What did Chief Seattle really say? Key points/ themes from Dr. Henry Smith’s translation. Key points/ themes from Ted Perry’s translation. 1. Why do you think the 2 authors had different translations? __________________________________________________ 5 Section 19.3 Pages 548 - 554 Maintaining a Healthy Environment A. A______________ Pollution Haze in air caused by: _______________________________________________________________________________________ Pollution causes include: ___________________________________________________________________________________ _________________________________________________________________________________________________________________ B. smog = _____________________________________________________________________________________________________________ C. pollutant = _________________________________________________________________________________________________________ D. (Figure 19-16 page 559) How is acid rain formed? ___________________________________________________________ _________________________________________________________________________________________________________________________ E. Acid Rain = _________________________________________________________________________________________________________ F. Figure 19-17 (page 560) Draw the pH Scale diagram: More A___________________ Neutral More B_____________ G. Environmental effects of acid rain include: (Describe at least 3 key effects.) H. Ozone Depletion = _______________________________________________________________________________________________ I. Why is ozone depletion an environmental problem? __________________________________________________________ ________________________________________________________________________________________________________________________ J. Reading Check : How do CFCs affect the environment? ___________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ G. Greenhouse Effect = ______________________________________ H. Draw Figure 19-18 (page 561) ________________________________________________________________ ________________________________________________________________ I. Effects of Global Warming include: 1) Reduced rainfall amounts -> _____________________________ _________________________________________________________________ 2) Polar ice caps melt -> _____________________________________ 3) Increase in storm number & severity -> _________________ _________________________________________________________________ 6 I. Land Pollution occurs due to ___________________________________________________________________________________ J. biodegradable = _________________________________________________________________________________________________ K. Hazardous wastes = _____________________________________________________________________________________________ Leaks from hazardous waste container can result in ____________________________________________________ M. Water Pollution can be caused by: _________________________________________________________________________________________ _________________________________________________________________________________________ Water in the U.S. is treated to________________________________________________________ N. Groundwater Pollution = ________________________________________________________________________________________ This can particularly affect _________________________________________________________________________________ O. Ocean Pollution – Ways oceans can become polluted: Acid rain _____________________________________________________________________________________ _____________________________________________________________________________________ Section Assessment 19.3 (page 564) 1. List 4 ways in which air pollution affects the atmosphere: _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ 2. Describe global warming. ___________________________________________________________________________________ ____________________________________________________________________________________________________________________ Draw a diagram showing how global warming occurs: 4. What causes ozone depletion? _______________________________________________________________________________ 5. How can hazardous chemicals deposited in landfills affect groundwater? _____________________________________________________________________________________________________________________ ______________________________________________________________________________________________________________________ 7 CHAPTER SUMMARY: (pages 566-567) For each of the 4 summary paragraphs, read the paragraph and then summarize the key points. 19-1 Natural Resources 19-2 Conservation and Protection of Wildlife 19-3 Maintaining a Healthy Environment 19-3 The Greenhouse Effect 8