1. Electrical Energy
Elaborate 182

2. Read the following
We all know how important electricity is to our lives. All it takes is one power failure to remind us how much we depend on electricity.

3. We use electricity to light our homes, operate appliances, heat and cool buildings, and power machines.

4. Power Plants
The Electricity we use every day is produced in large power plants.

5. How Electricity is Generated
Power plants generally use the potential energy as chemical energy in coal to heat water in huge boilers. The water boils and turns into steam.

6. The Generator
The pressure of the steam turn the blades of a turbine. The kinetic energy of the turbine turns the coils in a generator to create electricity.

7. Power Plant Generator

8. To our Homes
Electricity is then sent through wires to homes, businesses, and industries.

9. Key Questions
Coal is a stored chemical energy. Is coal an example of renewable or nonrenewable resource? Why?
Is coal an example of potential or kinetic energy? Why?
Sequence the energy transformation in a power plant.

10. Design a concept Map
With your group design a concept map to show your understanding of how energy is transformed into electricity.