Explains why the season of winter happens and how it manifests itself in the weather and changes in plants and animals.

Explains why the season of autumn happens and how it manifests itself in the weather and changes in plants and animals.

Describes the nature, dispersal, growth, and uses of seeds.

Discusses the nature and formation of fossils, the different types, and how and where to find them.

Describes different kinds of waste, including leaf litter, food waste, and liquid waste, and how they can be disposed of.

Describes the wide variety of patterns found throughout the plant and animal world including the petals of flowers, stripes of zebras, and scales of cones.

Examines the energy and light produced by the sun and their importance to life on Earth.

Explains how various colors are produced by reflected light and briefly discusses the occurences of colors in nature.

Discusses shells, what they are made of, their function, and the creatures that live in them.

Explores such aspects of rocks as their location, how they are formed, what they are made of, their appearance, how they can be dated, and their changing nature.