A commutator Animation Play

A commutator Whiteboard exercise Play

A commutator Student activity Play

A DC engine Student activity Play

A DC engine Slideshow Play

A DC engine Whiteboard exercise Play

A diagram of the operation of a gas turbine engine Animation Play

A lead cube Animation Play

A metal ball Animation Play

A radiator Whiteboard exercise Play

A radiator Student activity Play

A source of heat Animation Play

A state of balance Animation Play

A thermodynamic system and the surroundings Student activity Play

A thermodynamic system and the surroundings Animation Play

A thermodynamic system and the surroundings Whiteboard exercise Play

About cells Student activity Play

Acid rain destroys forests Animation Play

Acids around us Whiteboard exercise Play

Adiabatic transition Whiteboard presentation Play

Adiabatic transition Class activity Play

Adiabatic transitions in heat engines Whiteboard exercise Play

Adiabatic transitions in heat engines Student activity Play

Adiabatic transitions in nature Student activity Play

Animal and plant cells Whiteboard presentation Play