Warm up #19 What are some advantages and disadvantages of using renewable energy resources?

Lesson 2: Renewable Energy Resources Ch. 4 Energy Resources Lesson 2: Renewable Energy Resources

Essential questions What are the main sources of renewable energy? What are the advantages and disadvantages of using renewable energy resources? What can individuals do to encourage the use of renewable energy resources?

How are renewable energy resources used at your school? activity Are any of these used in this school?

Renewable energy resources Solar energy – energy from the sun Wind farms – a group of wind turbines that produce electricity Hydroelectric power – electricity produced by flowing water Tidal power – as high and low tides occur the water flows across turbines that are connected to generators to produce energy

Renewable energy resources Geothermal energy – thermal energy from Earth’s interior Biomass energy – energy produced by burning organic matter, such as wood, food scraps, and alcohol

Advantages and disadvantages

Advantages and disadvantages

Managing renewable energy resources Only 7% of US energy needs is renewable energy Some states are passing laws that require the state’s power companies to produce a percentage of electricity using renewable resources

How can you analyze energy-use data for information to help conserve energy? Study the fuel usage graph. What is represented in the graph? What are the 3 highest and 3 lowest months of gas usage? Why is this?