[Free Registration/Login Required] This flipchart explores the relationship between the sun and earth and how the seasons happen. Vocabulary of the equinox, solstice, etc. is included.

[Free Registration/Login Required] This flipchart contains definitions for axis, rotation, revolution explanation of seasons and an assessment using Activotes.

[Free Registration/Login Required] This flipchart describes what causes the seasons, explains the moon's phases, and introduces what a constellation is. It utilizes the Activotes to help describe the phenomena.