A. Define magnetic poles and describe the interaction between like and unlike magnetic poles.

B. Define magnetic domain and state how magnetic domains are lined up in magnetized material.

C. Define magnetic fields and describe magnetic field lines.

A. Identify the magnetic properties of Earth and compare the magnetic and geographic poles.

B. Describe some of the effects of Earth’s magnetic fields.

A. Describe the relationship between electric current and a magnetic field.

B. Define and give examples of conductors and insulators.

C. Identify the characteristics of an electric circuit.

A. Identify characteristics and cite uses of an electromagnet.

A. Describe the interaction of like and unlike electric charges.

B. Define and describe static electricity and state how it differs from electric current.

C. Describe lightning and other forms of static discharge.

A. Explain what causes flow of electric current in terms of electrical potential, potential difference, and voltage.

B. Describe the relationship between voltage and the flow of electric current.

C. Define resistance and state how it affects the flow of current.

D. Calculate resistance using Ohm’s law.

A. Describe and construct a series of circuit.

B. Describe and construct a parallel circuit.

A. Identify the safety devices used to protect people from common electrical hazards.

B. Describe how a lightning rod protects a building.

C. Explain how the severity of an electrical shock is related to current, voltage, and resistance.

A. Describe how electrical energy can be converted into mechanical energy.

B. Explain how a galvanometer measures current and how an electric motor converts current to mechanical energy.

A. Describe how an electric current can be induced.

B. Explain how a generator induces electric current and compare it to a motor.

C. Identity the main sources of energy for electrical power generation.

A. Calculate power and energy use

B. Describe how transformers charge the voltage of electric current.

C. Describe the advantage of alternating current for long distance transmission of energy.

A. Describe how batteries use chemical reactions to produce electric current.

B. Explain the difference between a battery and a cell.

A. Describe the relationship between electronics and electricity.

B. Define and compare analog and digital signals.

C. Describe solid-state devices and identify the components of these devices.

A. Define electromagnetic waves and state how they are used to transmit information.

B. Describe how common devices such as telephones, televisions, and radios transmit and receive signals.

A. Explain how a computer stores and processes information.

B. Identify and describe the components of computer hardware and tell how computer software is related.

A. Describe how a computer network works and state some advantages.

B. Explain how the internet is a type of computer network.

C. Identify aspects of responsible computer usage.