Determination of the molecular structure of compound A using the mass spectrum Animation Play

Dividing numbers in standard index form Animation Play

Dividing powers of the same index Animation Play

Effects of deficiency and excess of proteins in the human Slideshow Play

Effects of macro-element deficiencies Student activity Play

Effects of macro-element deficiencies Simulation Play

Effects of nutrient deficiency Whiteboard exercise Play

Electrophiles, nucleophiles and carbocations Student activity Play

Equal numbers Whiteboard exercise Play

Examples of adding polynomials Animation Play

Factors that determine the properties of soil Slideshow Play

Finding surds Student activity Play

Focal length and the shape of a lens Simulation Play

Focal length and the shape of a lens Student activity Play

Fractional exponents and index laws Whiteboard exercise Play

Fractional exponents – using index laws Whiteboard exercise Play

Hardness index of water Animation Play

How does light pass through a prism? Animation Play

How to write a number without too many zeros Student activity Play

Hydrogen deficiency index Whiteboard exercise Play

Hydrogen deficiency index Student activity Play

Hydrogen deficiency index Animation Play

Hydrogen deficiency indices Whiteboard exercise Play

Index laws for integer exponents Student activity Play

Index laws for integer exponents Whiteboard exercise Play