Free energy change Student activity Play

Free energy change for the dehydration of magnesium hydroxide Chart 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

Index laws for integer exponents Whiteboard exercise Play

Index laws for integer exponents Student activity Play

Index laws for negative exponents Student activity Play

Index laws for negative exponents Whiteboard exercise Play

Index laws for negative exponents – a power of 2 Whiteboard exercise Play

Index laws for positive exponents Whiteboard exercise Play

Index laws for positive exponents Student activity Play

Index notation Student activity Play

Index notation Animation Play

Index notation Whiteboard exercise Play

Laws of indices – rational exponents Class activity Play

Laws of indices – rational exponents Whiteboard presentation Play

Light refraction Student activity Play

Measures of variability (1) Class activity Play

Measures of variability (1) Whiteboard presentation Play

Mobile telephony Student activity Play

Mobile telephony Slideshow Play