Electronegativity and polarity Class activity Play

Electronegativity and polarity Whiteboard presentation Play

Elements Whiteboard presentation Play

Elements Class activity Play

Elements of Group 17 Class activity Play

Elements of Group 17 Whiteboard presentation Play

Elements of Period 3 of the periodic table Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Emission of electrons Whiteboard exercise Play

Emission spectrum of excited atoms Animation Play

Emmanuel's poll Whiteboard exercise Play

Energy of electromagnetic radiation Student activity Play

Energy, power and intensity of a wave Student activity Play

Energy, power and intensity of a wave Animation Play

Equations and tables Student activity Play

Estimating the median and the quartiles Animation Play

Estimation of the median and the quartiles of grouped data Student activity Play

Examples of description of class intervals Animation Play

Examples of functions – a table Student activity Play

Examples of sets and their elements Animation Play

Experimental and theoretical probabilities Whiteboard presentation Play

Experimental and theoretical probabilities Class activity Play

Experimental probability Student activity Play

Factors affecting the frequency of bond vibration Animation Play

Farms Student activity Play