Non-renewable and Renewable resources. What are natural resources?. Sources of energy and raw materials that occur naturally and are not made by humans. HMMMM. What do you think nonrenewable resources are? Break it down... Nonrenewable? Resource?. NONRENEWABLE RESOURCES.
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What are natural resources? • Sources of energy and raw materials that occur naturally and are not made by humans
HMMMM.... What do you think nonrenewable resources are? Break it down... Nonrenewable? Resource?
NONRENEWABLE RESOURCES A nonrenewable resource is a natural resource that cannot be re-made or re-grown at a scale comparable to its consumption.
NUCLEAR ENERGY Nuclear fission uses uranium to create energy. Once the uranium is used, it is gone! http://app.discoveryeducation.com/search?Ntt=nuclear+energy
Chernobyl Power Plant in Ukraine- 1986 • Not safe for life for another 20,000 years
COAL, PETROLEUM, AND GAS Coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. These are called fossil fuels.
Fossil Fuels • Formed from remains of prehistoric plants and animals • Burning coal produces more carbon dioxide than burning oil or gas; it also produces sulfur dioxide, a gas that contributes to acid rain. • Oil and gasoline are liquid and can flow through pipes; it is inexpensive and simple to transport after pipes are built
Fossil Fuels • Carbon Dioxide released into the air contributes to the Greenhouse effect which contributes to Global Warming • Global warmingThe warming of the Earth’s climate due to the buildup of heat from the greenhouse effect • Greenhouse effect The trapping of heat from the sun by Earth’s atmosphere.
What do we use coal for? • Electricity generation and steel production
Oil Rig The Hibernia Platform off the coast of Newfoundland
HMMMM.... If nonrenewable resources are resources that cannot be re-made at a scale comparable to its consumption, what are renewable resources?
RENEWABLE RESOURCES Renewable resources are natural resources that can be replenished in a short period of time. ● Solar ● Geothermal ● Wind ● Biomass ● Water
SOLAR Energy from the sun. • Photoelectric cells -solar energy can be converted to electricity • Most successful in locations that receive a consistent amount of sun(Southern California and Australia) IF there are clouds, the heating properties of the sun don’t work. solar power
GEOTHERMAL Energy from Earth’s heat. Problem to access the Earth’s hot center geothermal heat pump
WIND Energy from the wind. Wind Turbine
BIOMASS Energy from burning organic or living matter. Examples: Wood , crops and garbage Biofuels
WATER or HYDROELECTRIC Energy from the flow of water. Why is energy of flowing water renewable? Hydropower
SUMMARY What are the differences between nonrenewable and renewable resources?