Angles between lines in 3-D objects Student activity Play

Arbitrary shapes bounded by straight lines Whiteboard exercise Play

Arbitrary shapes bounded by straight lines Student activity Play

Arms of the angle and parallel lines Student activity Play

Arms of the angle and parallel lines Whiteboard exercise Play

Attraction between current-carrying conductors Animation Play

Changes in the flux density Animation Play

Changes in the flux density Whiteboard exercise Play

Changes in the flux density Student activity Play

Coinciding lines Animation Play

Common points of two lines in space Student activity Play

Common points of two lines in space Whiteboard exercise Play

Converting Imperial units of length Whiteboard exercise Play

Crossing lines cut by two parallel lines Animation Play

Direct current transmission lines Animation Play

Direct current transmission lines Student activity Play

Direct current transmission lines Whiteboard exercise Play

Drawing parallel lines Animation Play

Drawing parallel lines Whiteboard exercise Play

Earth's magnetic field Simulation Play

Electric field Class activity Play

Electric field Simulation Play

Electric field Whiteboard exercise Play

Electric field Student activity Play

Electric field lines Animation Play