Hematite- used to make steel Galena- used in car batteries and to solder Gold, Silver, Platinum- used in electronics and dental work Chalcopyrite-

Hematite- used to make steel Galena- used in car batteries and to solder Gold, Silver, Platinum- used in electronics and dental work Chalcopyrite- used as wiring in coins jewerly and as building

ornamens Sphalerite- used in making brass and dalvanized steel Diamond- used in drill bits and saws Graphite- used in pencils, paints, lubricants, andbatteries Calcite- used in cement; as building stone Halite- used in food Kaolinite- used in ceramics, cement, and bricks Quartz- used as glass Sulfur- used in gunpowder, medicines, and rubber Gypsum- used in plaster and wallboard

Nonrenewable Energy Renewable Energy

Can’t use againNatural resourcesTakes millions of years to formCoal Natural gasReleases carbon dioxidePetroleumMost abundant fuelPollutes the atmosphere

Able to reuseGeothermalSolarHydroelectricBiomassWindClean energyNot widely used

Coal- remains of plants that have gone through carbonization Petroleum- (oil) moicroorganisms & plantsburied by sediment

changing over millions of years due to heat & pressure Natural Gas- moicroorganisms & plants buried by sediment

changing over millions of years due to heat & pressure Peat- partial decomposition of plants Lignite- peat buried by other sediments, formed when heat &

pressure increase Bituminous Coal- increased temp. & pressure to change from

lignite, 80% carbon Anthracite- high temp & pressure need to change from

Bituminous

Pros Cons

Abundantly usedLarge abundanceProduce almost every product Coal is most abundant

Can not be reusedTakes millions of years to formCreates pollutionAmount decreasing

Fusion Fission

Nuclei of hydrogen combinedTemps. Of more that 15,000,000C40 years tried to harvest energyWaste less dangerous

Splitting of nucleus1 million x stronger than strongest chemical bondsGenerates energyNuclear reactorOnly uranium-235 is usedWater used to coolNo fossil fuels