Finding volumes of solids Student activity Play

Functions 'similar' to trigonometric functions Animation Play

Graphs of functions similar to the reciprocal function Student activity Play

Graphs of functions similar to the reciprocal function Simulation Play

Gymnosperms – seed plants with sporophyte and gametophyte generations Student activity Play

How to get similar figures Student activity Play

How to get similar figures Animation Play

Human eye – anatomy Student activity Play

Interesting information Animation Play

Light-sensitive structure of the eye Slideshow Play

Neural pathways for vision Animation Play

Photoreceptors Student activity Play

Properties of similar polygons Student activity Play

Properties of similar polygons Whiteboard exercise Play

Property of similarity with scale – the areas of similar figures Whiteboard exercise Play

Property of similarity with scale – the volumes of similar figures Whiteboard exercise Play

Proportions in crossing lines cut by two parallel lines Student activity Play

Regular polyhedron Animation Play

Relationship between volumes of similar solids Student activity Play

Relationship between volumes of similar solids Whiteboard exercise Play

Reproductive organs of gymnosperms Slideshow Play

Retina Student activity Play

Retina Illustration Play

Retina structure Animation Play

Rods and cones Illustration Play