Differentiation rules (1) Whiteboard presentation Play

Differentiation rules (1) Class activity Play

Dinitrogen pentoxide Simulation Play

Direct proportionality models Student activity Play

Direct proportionality models Whiteboard exercise Play

Discovering bases Whiteboard exercise Play

Discovering bases Student activity Play

Dissociation of acids Whiteboard exercise Play

Dissociation of acids Student activity Play

Dividing a polynomial by a linear binomial Whiteboard exercise Play

Dividing a polynomial by a linear binomial Student activity Play

Dividing a polynomial by a linear binomial Whiteboard exercise Play

Dividing a polynomial by a linear binomial Student activity Play

Division of viruses with respect to the type of nucleic acid Slideshow Play

Does a compound have a constant composition? Student activity Play

Drawing a graph of a linear function Animation Play

Early atomic theories Whiteboard presentation Play

Early atomic theories Class activity Play

Early models of an atom Animation Play

Electron configuration of elements Student activity Play

Electron configuration of some of the elements Animation Play

Electron energy levels in an atom Class activity Play

Electron energy levels in an atom Whiteboard presentation Play

Electron shells and subshells (1) Student activity Play

Energy levels Whiteboard exercise Play