Examples of covalent compounds with various internal structures Whiteboard exercise Play

Examples of refraction Student activity Play

Examples of rotation Student activity Play

Exchange of heat and temperature Animation Play

Exercises Student activity Play

Exercises Student activity Play

Expansion of gases Class activity Play

Expansion of gases Whiteboard presentation Play

Expressions for angles Student activity Play

Expressions for angles Whiteboard exercise Play

Exterior and interior angles of a triangle Student activity Play

Exterior angle of a triangle Whiteboard exercise Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angle of a triangle – observation and proof Student activity Play

Exterior angle of a triangle – proof Animation Play

Exterior angles Animation Play

Exterior angles in a triangle Simulation Play

Exterior angles in a triangle – proof Animation Play

Exterior angles in quadrilaterals Student activity Play

Exterior angles in quadrilaterals Whiteboard exercise Play

Exterior angles in quadrilaterals – a game Game Play

Exterior angles of a triangle Student activity Play

External and internal fertilization Slideshow Play

Female internal reproductive organs Whiteboard exercise Play

Fertilization and development Student activity Play