Comparison of two simple data distributions Whiteboard presentation Play

Comparison of two simple data distributions Class activity Play

Compound plant tissues Illustration Play

Decomposition of a simple rational expression Animation Play

Deductive reasoning and Venn diagrams Student activity Play

Defence mechanisms in plants Slideshow Play

Defining half-planes – a simple case Student activity Play

Determination of object size using the light microscope Student activity Play

Determining the concentration of a solution using redox titration (1) Student activity Play

Determining the content of oxalic acid in rhubarb Animation Play

Development of seed plants Slideshow Play

Development of vegetative organs Slideshow Play

Developmental stages of seed plants Student activity Play

Differences between cell division in animal and plant cells Whiteboard exercise Play

Differences between cell division in animal and plant cells Student activity Play

Different modes of reproduction in invertebrates Slideshow Play

Different types of chemical energy Slideshow Play

Different types of immunity Student activity Play

Differentiation of simple functions Whiteboard presentation Play

Differentiation of simple functions Class activity Play

Dioxins Student activity Play

Distribution of stomata in different types of plant Slideshow Play

Diversity of angiosperms Slideshow Play

Drawing simple shapes using ITC Class activity Play

Drawing simple shapes using ITC Whiteboard presentation Play