Renewable and Nonrenewable Resources PPT Notes

Renewable and Nonrenewable Resources – PPT Notes Chapter 2 – Lesson 2.3 Mr. Distasio ______Theme Outline Lesson 2.3  Distribution and Management of Natural Resources  Pennsylvania Coal  Coal and the Environment  Pennsylvania Power Plants  Conservation ______PA Academic Standards for Environment & Ecology Standard 4.2.10.C • Analyze how man-made systems have impacted the management and distribution of natural resources. • Explain the complete cycle of a natural resource, from extraction to disposal, detailing its uses and effects on the environment. • Analyze energy uses and energy conservation in different regions. • Examine conservation practices in different countries. • Analyze the costs and benefits of different man-made systems and how they use renewable and nonrenewable natural resources. • Analyze the impact of information systems on management and distribution of natural resources. ______Learning Objectives  Students will analyze the costs and benefits of different types of power plants and how they use renewable and nonrenewable natural resources.  Students will use Pennsylvania coal to explain the complete cycle of a natural resource, how it is used, and its effects on the environment.  Students will learn about some of the global organizations and agencies that work to conserve global resources.  Students will analyze the impact of information systems on management and distribution of natural resources. ______Distribution and Management of Natural Resources • Pennsylvania Coal • Mining Pennsylvania’s Coals • Coal and the Environment • Pennsylvania Power Plants • Coal-burning Power Plants • Nuclear Power Plants • Hydroelectric Power Plants • Conservation

Pennsylvania Coal Common mining techniques  ______and ______method  ______method  ______mining method ______Room and pillar method  Definition: mining method in which ______are cut into a coal bed, leaving a series of ______, or columns of coal, to help ______the mine roof and control the flow of ______.  Rooms are typically ______feet wide  Pillars are generally ______feet wide  Workers typically remove as much coal as possible until the roof falls in.  Mines are typically ______when the retreat process is complete.

______Longwall Method  Definition: procedure in mining in which a ______moves back and forth across a coal seam, causing pieces of coal to fall onto a flexible______for removal from the mine.  Cutting heads move along the cal ______, breaking off layers of coal and transporting them out of the mine using conveyor systems.  Special roof supports are moved as the roof is cut, to ensure the stability of the mine. ______Surface Mining • Draglines, bulldozers, and front-end loaders remove ______from the coal seam. • ______are sometimes used to loosen coal formations. • Surface mining occurs on ______surfaces, follows coal seams along hillside, and uses open pits where thick coal seams are found. Surface Mine (aerial view) ______Acid Mine Drainage (AMD) Definition: ______

Pyrite:  “Fool’s Gold”  Found in large amounts in Bituminous Coal  When exposed to air & water, ______acid and ______hydroxide form. ______Why is AMD a concern? • Enters freshwater systems and air supplies from surface sources and underground sources

• Lowers ______of freshwater systems

• Covers river and stream channels with ______hydroxide, a yellowish-orange compound

Acid Mine Drainage - Link Notes:

______So what do we do with mined areas? • Mining of any resource, including coal, can greatly ______a natural landscape • Historically active mines (prior to 1970s) operated until all of the economically harvestable coal was removed, then mines were ______. • Surface Mining Control and ______Act (1977) ______Reclamation • Definition: restoration of mined land to its ______by reconstructing the land’s topography and replanting vegetation. ______Pennsylvania Power Plants  Major types of Power Plants • ______-burning power plants • Mainly steam-turbine plants that burn bituminous coal to generate heat which turns water into steam which spins a series of turbines

• ______power plants • Mainly steam-turbine plants that use ______to break specific types of uranium generate heat which turns water into steam which spins a series of turbines

• ______power plants • Mainly turbine plants that use the energy from moving ______to generate electricity by spinning a series of turbines

Conservation • Definition: ______

Best addressed by a series of questions …  How can humans limit their dependence on ______energy sources?  How can humans begin to utilize ______energy strategies as primary energy sources?  How can humans economically promote the use of renewable energy systems?  How can humans increase the ______of existing materials, and further improve the efficiency of future materials?