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Simple text and photographs introduce earthquakes, discussing causes, warning signs, damage, and safety measures.

Discusses how planes fly and describes what a jet engine is, the different types of jet liners, and the duties of the ground and flight crews. Also includes instructions for making a paper airplane and an experiment with jet power.

Explains the operation, construction, and history of submarines and provides tips for designing a small-scale model of a diving submarine.

Introduces the basic movements and equipment needed for the three main types of gymnastics performed today. Includes tips on becoming fit and performing a simple routine.

Simple text and photographs introduce volcanoes, including how eruptions happen, types of volcanoes, and how they can be helpful.

An introduction to tornadoes, describing the origin of tornadoes, the damage they cause, where they occur, how to be safe during a tornado, and more.

Simple text and photographs introduce aspects of hurricanes including how they begin, how they are classified, and how they are predicted.