SOME OF THE MANY FORMS IN WHICH WE ENCOUNTER ENERGY
FIGURE 2.5 From a raging hurricane to the opening of a flower on a spring morning, energy, in its many forms, does the work of the world.
(Stewart Tomlinson/USGS) (Louise McLaughlin/NPS) (Jacek Fulawka/Shutterstock) (Coloroftime/Getty images)