Work is done whenever a force moves something over a distance. You can calculate the energy transferred, or work done, by...

Teaching Guidance 14-16

So far we have introduced an energy perspective, seeing processes as shifting energy between different kinds of stores and...

Physics Narrative 11-14

Drawing on the previous sections, we have seen that it's possible to develop an energy description of electric circuits at a...

Teaching Guidance 14-16

This episode introduces the above three quantities for the electric field. The students’ familiarity with the equivalent...

Lesson 16-19

In this episode, students will appreciate the energy changes that take place as a body moves in a gravitational field. They...

Lesson 16-19

In this episode, students have to learn to think of force as a mechanism by which energy is transferred from one body to...

Lesson 16-19

The water in the bowl with the higher water level is under greater pressure, and so water moves through the straw to the lower...

Enrichment Activity 5-11 11-14