An object that is able to produce change in itself or its surroundings has energy.

Here's why:

* Energy is the ability to do work. Work, in physics, means causing a change in the position or state of an object.

* Changes require energy. Whether it's a moving car, a growing plant, or a burning fire, these changes are driven by energy.

* Energy can be transferred or transformed. It can be transferred from one object to another (like when you push a box) or transformed from one form to another (like when sunlight is converted into chemical energy by plants).

Let me know if you have any other questions!