Compare and define different fields and use demonstrations. Include magnetic, gravitational, and electric. Show how each space contains a force field. Define an electrical field. Demonstrate that the electrical field is a no contact field. Show that an electrical field has both magnitude and direction, it is a vector quantity. Determine that the strength of the electrical field is measured by the effect on charges in the field
Introduce electrostatics as a charge at rest. Determine how these charges come about.
Demonstrate applying electrostatic charges to a variety of substances using and determining what evidence exists to show the charge. Define the term charge. Compare the electrical force to the gravitational force. Review atomic particle charges and how they react to each other. Compare the formula relating the force of gravity to the electrical force.