How Can Energy Change?

Conservation of energy and energy transfer

In our everyday experience, energy seems to disappear all the time. Batteries go dead, a wind-up toy stops moving, fires run out of fuel. But the reality is that energy is never destroyed, it only changes from one form to another. In this section we present a number of examples of how energy transfers account for where energy goes in chemical and physical reactions. We also present a career profile of a chemist who works for an energy company.

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Lab Investigations, Demos and Videos