To establish that energy can be measured in joules and that having available too few joules to shift limits what one can do.

Classroom Activity 11-14

To establish that energy is measured in joules and that some kinds of travel are more expensive than others.

Classroom Activity 11-14

To establish that individual choices can make a difference, eg when comparing lamps.

Classroom Activity 11-14

To introduce the idea that a chemical store can be emptied to do lifting (filling a gravitational store) or warming (filling a...

Classroom Activity 11-14

The purpose of this activity is to emphasise the point that care must be taken when selecting aspects of a process to describe...

Classroom Activity 11-14

Here you can relate an everyday description of a simple situation (perhaps a car running down a hill) to how the energy is...

Classroom Activity 11-14

Here you can show that there are such things as compensated circuits: that is, two circuits where the character of the...

Classroom Activity 14-16

In this activity the power input to the wind stream driving a wind turbine is compared with the power delivered to an external...

Classroom Activity 14-16

This is an interactive teacher demonstration that can be used to explore and to get students talking about various aspects of...

Classroom Activity 14-16

Use this set-up to introduce the motor effect: a motor's spinning comes about from the interaction between the current in a...

Classroom Activity 14-16