Charge and electric fields
What students will learn
Track charge transfers and distributions, then construct electric-field models to predict forces.
Before this topic
- Signed charge and vector components
- Newton’s third law and inverse-square forces
Read and connect
Read: Electric Charge and Electric Force →
Connect elementary charge, point-charge forces, and material polarization with stated model assumptions.
Read: Conservation of Electric Charge and the Process of Charging →
Use system boundaries to distinguish transferred net charge from redistributed charge.
Read: Electric Fields →
Construct source-field and net-field representations and explain electrostatic conductor equilibrium.
Check understanding
Use the complete prompt to make student reasoning visible, then consult the separate worked reasoning and criteria. A reading completion tick records reading history.
Design and explain charging by induction →
Show distributions and transfer steps for grounded induction, then account for charge in a symmetric contact experiment.
Construct and compare electric fields →
Draw separate source-field arrows, calculate both source-sign configurations, and compare forces on positive and negative test charges.
Standards and earlier reading lists
These topic placements organize reading. Edition-qualified Standards mappings and the existing complete unit task sets retain their reviewed scope.