What about?

Brief text with supplementary questions and answers deal with various aspects of trucks, such as what powers them, different kinds of them, and future trucks.

An east to read introduction to the moving air which affects weather and lofe worldwide.

Includes the atmosphere, how the body uses air, plants, and air, air pressure, air currents, flight, energy from air and global warming.

Describes the 9 planets in the solar system.

Discusses hearing as a sense.

Describes the plants, animals, and human inhabitants of a tropical rain forest and discusses the importance of these unique environments and threats to their survival.

Describes the polar lands, discussing plant and animal life, how people survive at the poles, environmental threats, and the protection of polar lands.