Demonstration: these two materials show contrasting effects when heated.

Practical Activity 14-16

Class practical: illustrates two ideas: electric current causes a heating effect; temperature affects the resistance of a wire...

Practical Activity 14-16

Class practical: To introduce ideas of energy transfer by heating and thermal capacity.

Practical Activity 14-16

All the energy transfers that you demonstrate will ultimately end up warming the atmosphere, or surroundings. There has been...

Teaching Guidance 11-14 14-16

The underlying problem here is that the wrong track thinking shown here conjures up an image of heat as being like some kind...

Teaching Guidance 11-14

Many domestic appliances switch from an electrical pathway to warm things up (and even cool them down as well). The heating by...

Physics Narrative 14-16

Marc-Auguste Pictet was a Swiss editor of the Bibliothèque Britannique, a publication that shared scientific knowledge...

Stories from Physics 11-14 14-16