Young, June

Examines how things change in nature.

Describes and gives examples of energy one can feel, see, and hear, and explains that all energy comes from matter.

Describes and gives examples of energy one can feel, see, and hear, and explains that all energy comes from matter.

Presents several examples of chemical change in nature and elsewhere, including a leaf's change of color in the fall, the toasting of a marshmallow, and the rusting of a bike.