A solution or not a solution?? Whiteboard exercise Play

Alive or not Slideshow Play

Catalysts are not used up in the reaction Whiteboard exercise Play

Catalysts are not used up in the reaction Student activity Play

Construction of a tangent to a circle through a point not on the circle Animation Play

Electricity is not free Animation Play

Electronic logic Whiteboard exercise Play

Electronic logic Animation Play

Electronic logic Student activity Play

Enthalpy change does not depend on the reaction pathway Animation Play

Factorisation is not always possible! Student activity Play

Factorisation is not always possible! Whiteboard exercise Play

How to calculate the distance when the final speed is not given Student activity Play

How to calculate the distance when the final speed is not given Whiteboard exercise Play

How to calculate the distance when the final speed is not given Whiteboard exercise Play

How to calculate the distance when the time of motion is not given Whiteboard exercise Play

How to calculate the distance when the time of motion is not given Student activity Play

Hydrogen atoms on oxygen or nitrogen are usually not coupled to their neighbours Animation Play

Inscribed and not inscribed angles Whiteboard exercise Play

Linear and not linear equations Whiteboard exercise Play

Logic gates Whiteboard presentation Play

Logic gates Class activity Play

Logic statuses of a NOT gate Animation Play

Logic statuses of NAND and NOR gates Animation Play

Made and not made up of cells Slideshow Play