(Optional) Describe the energy and power context of technology and engineering.

Description should include
•    types of energy and power systems
o    biological
o    chemical
o    mechanical
o    solar
o    hydraulic
o    wind
o    renewable
o    nonrenewable
•    the function of an energy converter—to change one form of energy into another form.

Process/Skill Questions:

•    What systems involve two or more contexts?
•    What are examples of subsystems within one or more of the identified contexts?
•    What are advances in a given context? In a given subsystem?
•    How are specialized equipment and practices used in a given context? 
•    What different ways can energy be converted?
•    What are different forms of energy before and after conversion?
•    How are these energies used?
•    How do renewable and nonrenewable energy differ?
•    What occupations are related to energy and power?