S2+Electricity


 * Notes**


 * 20.1 Electric Charge and Static Electricity**

__Objectives__:

1. Analyze factors that affect the strength and direction of electric forces and fields. 2. Describe how electric forces and fields affect electric charges. 3. Describe how electric charges are transferred and explain why electric discharges occur.


 * 20.2 Electric Current and Ohm's Law**

__Objectives__:

1. Describe electric current and identify the two types of current. 2. Describe conduction and classify materials as good electrical conductors and electrical insulators. 3. Describe the factors that affect resistance. 4. Explain how voltage produces electric current. 5. Calculate voltage, current, and resistance using Ohm's law.


 * 20.3 Electric Circuits**

__Objectives__:

1. Analyze circuit diagrams for series circuits and parallel circuits. 2. Solve equations that relate electric power to current, voltage, and electrical energy. 3. Describe devices and procedures for maintaining electrical safety.


 * 20.4 Electronic Devices**

__Objectives__:

1. Explain how electronics conveys information with analog or digital signals. 2. Describe electronic devices used to control electron flow. 3. Illustrate how semiconductors are used to make three kinds of solid-state components. 4. Describe how solid-state components are used in electronic devices.