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The following questions are to be reviewed at the beginning if the chapter to familiarize yourself with what is to be expected. At the end of the chapter you will be answering the questions as a study guide tool to prepare for the test. Name: __________________________Date: __________ Bl: ________ Ch 16 Electricity Essential Questions: 1. How can you use the words electron, current, voltage and resistance to describe an electrical circuit? 2. What are the differences between electrical conductors and insulators? 3. Define electric current. 4. How is an electric current measured? 5. How does a battery work? 6. How is the potential difference or voltage across an energy source measured? 7. Describe the relationship between current and resistance.