Tuesday December 15, 2009 Objective: Students will know the examples of renewable and nonrenewable resources.

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Presentation transcript:

Tuesday December 15, 2009 Objective: Students will know the examples of renewable and nonrenewable resources.

Resources Anything in the environment that is used by people Natural Resources Resources that occur naturally

Types of Resources Energy Living Land & Soil Air & water

Benefits of Using Resources Basic Survival - Food - Water - Shelter Makes life easier - Cars - Computers

Disadvantages of Using Resources Pollution (Air & Water) Population Growth Habitats destroyed Lose those resources

Causes of Extinction Habitat destruction Habitat Fragmentation Poaching Pollution Exotic Species

Pollution Anything that has a negative effect on living things. - Air -Water -Soil

Renewable or Nonrenewable Group the following resources as renewable or nonrenewable WaterCoalTreesOil WindAnimalsNatural GasGeothermal Nuclear EnergySolarMetals (gold, silver) PeopleCrops

Non-Renewable Resources Natural resources that are not replaced as they are used.

Fossil Fuels Oil, coal, natural gas Supply and demand drives prices Combustion causes pollution ube.com/watch ?v=st_rC5pIc5g

Mining Costly and time- consuming Dangerous to miners and the land Leaves mining scars

Nuclear Energy Advantages More efficient than coal Large supply of fuel Disadvantages Radioactive Waste Nuclear Meltdown

Renewable Resources Resources that are naturally replaced in a short time. Examples: sunlight, wind, & trees

Solar & Wind Energy Sun gives off energy as heat & light Sun is the ultimate source of energy Wind farms

Other Alternatives Hydroelectric Tidal Biomass Geothermal Hydrogen

Resource Waste What do we do with the waste? Bury it Burn it Recycle it

Recycling Metal Glass Paper Plastic Composting

Water Treatment How will astronauts get the water they need to survive on the moon and Mars?

Wastewater Treatment Primary- removes solid materials Secondary-uses bacteria to break down wastes