non living resources
TRANSCRIPT
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Non-Living Resources
6th Grade Science
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I. Land and Soil
A. Use1. Agriculture2. Mining3. Development
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B. Soil
1. Layersi. Litterii. Topsoiliii. Subsoiliv. Bedrock
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C. Soil Management
1. Erosion2. Nutrient Depletion
i. Fertillizerii. Crop rotation
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3. Desertification
i. Climate change = Loss of moistureii. Loss of nutrients = Overuse
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4. Land Reclamation
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II. WasteA. U.S. Numbers
1. 2.5 million plastic bottles every hour2. 2 kg of trash everyday3. 2.8 million plastic bags4. 230 million car tires
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B. Disposal
1. Incineration: Burn iti. Get energy from wasteii. Air pollution
2. Landfilli. Leachateii. Sanitation
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C. Recycling
1. Biodegradable (breakdown in soil)2. Metals3. Plastics4. Glass5. Paper
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D. Human Factors
1. Reduce – Use Less!2. Reuse – Use object more than one time3. Recycle – Use to build something else4. Composting – Biodegrade foods
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E. Hazardous Wastes
1. Typesi. Toxic/poisonousii. Explosiveiii. Flammableiv. Corrosivev. Radioactive
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III. Water Pollution
A. Pollution1. Household2. Agricultural3. Industry4. Sediments5. Heat6. Oil and Gas
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B. Cleaning
1. Sewage Treatment2. Reduce Pollution3. Clean up spills4. Don’t throw chemicals in trash
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IV. Air Pollution
A. Smog1. Cars and Trucks (nitrogen)2. Temperature Inversion
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B. Acid Rain
1. Factories and power plants (sulfur)
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C. Indoor Pollution
1. Carbon Monoxidei. Burning gas
2. Radoni. Ground Gas
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D. Reducing Pollution
1. Emissions from Factories “Scrubbers”2. Emissions from Cars “Catalytic Converter”3. Public Transportation4. Walk5. Ride a bike