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Unit 7: Waste Management

Unit 7: Waste Management. $ 200 Municipal Waste. Non-liquid waste that comes from homes, institutions and small businesses. Answer: Solid Waste. $ 400 Municipal Waste. The liquid that comes from the decomposition of trash as rainwater percolates downward. Answer: Leachate.

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Unit 7: Waste Management

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  1. Unit 7: Waste Management

  2. $200 Municipal Waste Non-liquid waste that comes from homes, institutions and small businesses. Answer: Solid Waste

  3. $400 Municipal Waste The liquid that comes from the decomposition of trash as rainwater percolates downward. Answer: Leachate

  4. $600 Municipal Waste This is the water we use in our households, businesses, industries or public facilities, drain or flush down our pipes? Answer: What is wastewater?

  5. $800 Municipal Waste Name a benefit of a sanitary landfill. Answer: Consolidate trash away from other parts of a city.

  6. $1000 Municipal Waste Methane is the by-product gas of decomposition in landfills. How can the landfill effectively use the methane? Answer: To collect the methane and use it to generate electricity.

  7. $200 Recycle-O-Rama Preventing waste generation through conserving resources and reducing the amount of waste produced. Composting Recycling Source Reduction

  8. $400 Recycle-O-Rama Materials that decompose or break down naturally in the landfill are called…? Composting Recycling Biodegradable

  9. $600 Recycle-O-Rama Answer: We can avoid the costs of disposal and recycling. We can also conserve resources and produce less pollution. Question? What are the benefits of reducing the amount of waste we generate.

  10. $800 Recycle-O-Rama Consumers can choose to buy only well-designed goods that will last a long time. If consumers do not buy poorly made or disposable goods, companies will loose $$ & they might reduce the amount they produce. Q. What type of products should consumers purchase in order to be sustainable?

  11. Q. What types of incentives should city governments to convince consumers to reduce their waste? Tax break to those who recycle. Have a return refund on bottles and cans so that people will recycle their products. All of the above $1000 Recycle-O-Rama

  12. $200 Beware Waste that is ignitable, corrosive, chemically reactive or toxic is considered to be? Municipal Waste Hazardous Waste Landfill Waste

  13. $400 Beware Method of hazardous waste disposal using deep wells which are not permeable are called: Answer: Deep well injection

  14. $600 Beware A cleanup program developed to address US sites polluted with hazardous waste from past dumpings. • E-waste • Radioactive Waste • Superfund Act • Surface impoundment

  15. $800 Beware Name the 3 ways to dispose of hazardous waste. Answer: landfills, surface impoundment and injection wells.

  16. $1000 Beware • What is a heavy metal? (not a band!!) • Where do heavy metals come from? • How do they enter the environment? • Answer: 1) lead, chromium, mercury, • arsenic, copper, tin, etc. • 2) E-waste, batteries, paints, etc. • 3) Improper disposal such as dumping

  17. $200 Decomposition • Name the process that continually renews and enriches the Earth, returning carbon, hydrogen and nutrients to the soil, water and air. • These are the conditions needed for new life to thrive. • Answer: Biodegradation

  18. $400 Decomposition • These species, responsible for decomposition, are the most abundant organism on Earth. They are single celled and come in different shapes: • rod, spiral and spherical. • What are_____________? • Bacteria

  19. $600 Decomposition Name three types of decomposers. Answer: Bacteria, Fungi & Insects

  20. $800 Decomposition Name three types of insects which assist in decomposition: Answer: Nematodes (worms), sow bugs and centipedes.

  21. $1000 Decomposition How is decomposition different on land versus water? Answer: On land, there are insects which assist bacteria & fungi in decomp. In water, bacteria & protists decompose.

  22. $200 Toxicology Found as a gas by-product produced in landfills, wetlands, oceans, cow flatulations. Name this pollutant. Answer: Methane

  23. $400 Toxicology Name three sources of lead, found in the environment: Answer: Paint, toys, bullets, fishing lures, metal pots, glass, pottery, plumbing pipes.

  24. $600 Toxicology Found in plastics, floor finish, cable insulation, transformers, electrical capacitors. Can cause cancer, alter endocrine, immune and reproductive systems. Answer: PCB’s

  25. $800 Toxicology With repeated exposure, this toxic chemical causes brain malfunction, poor muscular development, cardiovascular disease and damage to the reproductive system. Answer: Mercury

  26. $1000 Take a Risk Identify these two toxins: Naturally occurring radioactive gas found in soil and/or rock. Causes chronic lung cancer. Found in insulation, floor and ceiling tiles, fire retardant materials and in roof shingles. Also causes lung cancer, asbestosis, etc. Answers: 1) Radon 2) Asbestos

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