How cells affect current Student activity Play

How do equal angles imply parallel lines? Animation Play

How parallel circuits work Animation Play

How resistance affects the way in which a conductor works Whiteboard exercise Play

How resistance affects the way in which a conductor works Student activity Play

How short circuits work Animation Play

How to construct a line parallel to a given line Student activity Play

Image under translation Animation Play

Images in lenses Student activity Play

Imperial units of length Animation Play

Imperial units of length Student activity Play

Interactions between magnets Animation Play

Interactions between magnets Whiteboard exercise Play

Interactions between magnets Simulation Play

Interactions between magnets Student activity Play

Intersecting, parallel and skew lines Whiteboard exercise Play

Intersection of lines Whiteboard exercise Play

Intersection of lines Student activity Play

Intersection point of two straight lines Simulation Play

Intersection point of two straight lines Whiteboard exercise Play

Intersection points of two straight lines Student activity Play

Kirchhoff's Second Law Simulation Play

Kirchhoff's Second Law Whiteboard exercise Play

Kirchhoff's Second Law Student activity Play

Line parallel to a vector through a given point Whiteboard exercise Play