Heat and Energy: What Is Energy?

The video explains how energy is used in various activities, such as construction work, and is present in everyday environments. It defines energy as the ability to do work or cause change, illustrating this with examples like a ball being hit by a racket or a hammer driving a nail. The video also discusses how energy is transferred between objects and can cause changes, such as heat melting ice.

What new insight or understanding did you gain from this video?