Turn in your OLD flashback sheet Traditional Sources

Turn in your OLD flashback sheet

Traditional Sources of Energy • Harvesting of field crops, wood, fecal material and peat

Traditional Sources of Energy – pg. 684 • Create a Graphic Organizer that represents the 4 types of traditional sources of energy. • For each type, be sure to include at least 3 important facts.

What is 1 traditional source of energy?

y r a s s e c e e n f i l a f s o i t l r e a u p F Where does it come from?

The plants of forests that once covered Earth provide us with the energy we use today.

This energy is stored in fuels

Fossil Fuels formed from the remains of plants and animals that were buried for millions of years

Types of Fossil Fuels: • Coal • Oil (petroleum) • Natural Gas

1. Coal – organic sedimentary rock • Varies in the amount of carbon • more carbon = more energy

Different types of Coal 1. Peat 2. Lignite 3. Bituminous 4. Anthracite Low Energy High Energy

HOW IS COAL MADE ? ? ?

2. Petroleum – organic liquid plant/animal remains • Contains carbon and hydrogen • Refined as gasoline, kerosene, lubricants, etc. • Must drill wells to tap source • Often found with natural gas

HOW ARE OIL AND GAS MADE ? ? ?

3. Natural Gas • Chain of hydrocarbons created with petroleum • Can be used as an energy source

Natural Gas Extraction • “Fracking” Technique for extracting natural gas from “tight” rock(shale) structures deep below surface • Has been used since 1950’s

Fossil Fuels do not create energy, they store energy Where does the energy come from? The stored energy came from the sun!

• Burning fossil fuels increases the amount of greenhouse gases in the atmosphere, ice caps melt, ocean levels rise…