The idea of 'heat' is an everyday phenomenon, familiar even before fire-making. Aristotle discussed it as one quality among...

Teaching Guidance 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

Energy is conserved. What does this really mean, and why is it true? Water in a reservoir is more or less conserved. So the...

Teaching Guidance 14-16

Conduction is the way in which energy is transferred (through heating by contact) from a hot body to a cooler one (or from the...

Teaching Guidance 11-14 14-16