Electric Field can simulate electric field reactions, it enable you to add charges to the Field of Dreams and see how they react to the electric field. Turn on a background electric field and adjust the direction and magnitude.

Sample Learning Goals
1. Explain the relation between the size and direction of the blue electric field lines to the sign and magnitude of the charge of a particle.
2. Explain the interactions between two charged particles and explain why they move as they do.
3. Explain what happens when you apply different external electric fields.

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this calculator software.