Reduction Animation Play

Reduction of aldehydes and ketones Animation Play

Reduction of aldehydes and ketones (1) Student activity Play

Reduction of aromatic nitro compounds Animation Play

Reforming of crude oil Student activity Play

Refraction of light 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

Riddles about 3-D shapes Whiteboard exercise Play

Riddles about 3-D shapes Student activity Play

Right prisms Whiteboard exercise Play

Sample compounds Slideshow Play

Samples of catalytic processes Chart Play

Sections of a cube Whiteboard exercise Play

Sections of a cube Student activity Play

Selected physical properties of oxides Chart Play

Separation of mixtures (1) Student activity Play

Shape of a solid body Student activity Play

Shape of a solid body Whiteboard exercise Play

Similar prisms and pyramids Student activity Play

Similar solids Whiteboard exercise Play

Similar solids Student activity Play

Similar solids and their volumes Student activity Play

Similar solids and their volumes Whiteboard exercise Play