What's inside library

Describes the six layers of the sun as well as the role of this star which is part of the Milky Way.

Discusses how different types of lakes are formed, the creatures that live in lakes, such as fish, snails, algae, and otters, and explains how they survive.

Discusses the layers, water, atmosphere, and future of the Earth.

Discusses some of the life forms that live in the ocean, such as coral polyps, phytoplankton, and the great blue whale, and explains how they survive.

Describes what is inside trees, how they use sunlight and obtain nourishment, how they grow and reproduce, and how they can be protected in their endangered status.

Discusses the layers, rocks, phases and other aspects of the Moon and examines our exploration of it.