Students of Physical Science: *Chapter Seven Special Report* ... How lightning works ... Chapter Seven Test on Friday, March 20th, 2009. Chapter Seven Homework is due on Friday, March 20th, 2009. Objectives ~ chapter7: Electricity The learner will Section One: 1. Describe the properties of static electricity 2. Distinguish between conductors & insulators 3. Recognize the presence of charge in an electroscope Section Two: 1. Describe how electric current is different from static electricity 2. Explain how a dry cell provides a source of voltage difference 3. Describe the relationship among voltage difference, resistance, & current. Section Three: 1. Describe the difference between series & parallel circuits 2. Recognize the function of circuit breakers & fuses 3. Explain and electrical power