Non-Living Resources

6th Grade Science

I. Land and Soil

A. Use1. Agriculture2. Mining3. Development

B. Soil

1. Layersi. Litterii. Topsoiliii. Subsoiliv. Bedrock

C. Soil Management

1. Erosion2. Nutrient Depletion

i. Fertillizerii. Crop rotation

3. Desertification

i. Climate change = Loss of moistureii. Loss of nutrients = Overuse

4. Land Reclamation

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

B. Disposal

1. Incineration: Burn iti. Get energy from wasteii. Air pollution

2. Landfilli. Leachateii. Sanitation

C. Recycling

1. Biodegradable (breakdown in soil)2. Metals3. Plastics4. Glass5. Paper

D. Human Factors

1. Reduce – Use Less!2. Reuse – Use object more than one time3. Recycle – Use to build something else4. Composting – Biodegrade foods

E. Hazardous Wastes

1. Typesi. Toxic/poisonousii. Explosiveiii. Flammableiv. Corrosivev. Radioactive

III. Water Pollution

A. Pollution1. Household2. Agricultural3. Industry4. Sediments5. Heat6. Oil and Gas

B. Cleaning

1. Sewage Treatment2. Reduce Pollution3. Clean up spills4. Don’t throw chemicals in trash

IV. Air Pollution

A. Smog1. Cars and Trucks (nitrogen)2. Temperature Inversion

B. Acid Rain

1. Factories and power plants (sulfur)

C. Indoor Pollution

1. Carbon Monoxidei. Burning gas

2. Radoni. Ground Gas

D. Reducing Pollution

1. Emissions from Factories “Scrubbers”2. Emissions from Cars “Catalytic Converter”3. Public Transportation4. Walk5. Ride a bike