Removing hardness from water Student activity Play

Removing hardness from water Whiteboard exercise Play

Removing permanent hardness of water Animation Play

Removing temporary hardness of water Animation Play

Rocks and minerals Student activity Play

Sedimentary rocks Student activity Play

Solids Whiteboard presentation Play

Solids Class activity Play

Some properties of igneous rocks Slideshow Play

Supportive tissue Student activity Play

Supportive tissue – details Slideshow Play

The atomic structure and the properties of materials Student activity Play

The atomic structure and the properties of materials Animation Play

The atomic structure and the properties of materials Whiteboard exercise Play

The effect of water hardness on the cleansing action of soap and detergents Slideshow Play

The Mohs' scale of hardness Illustration Play

The physical properties of the s-block metals Slideshow Play

The physical properties of the s-block metals (2) Student activity Play

The significance of water hardness Slideshow Play

Uses of graphite and diamond Whiteboard exercise Play

Uses of graphite and diamond Student activity Play