Presents a children's book for early readers that describes the importance of sun light to make shallow waters warm and the plants to grow, fire to make heat, and more.
Presents a children's book for early readers that describes how sound is made when object vibrate, how it moves through the air, the differences in sounds, and more.
Presents an introduction temperature, in simple text with illustrations, including information on what it is, how it is measured, and how it affects the environment.
