Mezzanotte, Jim

Photographs and simple text explain how wind can stir sand, dust, or topsoil into furious clouds that travel hundreds of miles across deserts, prairies, and oceans.

Photographs, diagrams, and simple text describe how water changes and how water keeps moving between the air and the earth's surface.

Introduces the science of inclined planes, including ramps, wedges, and screws, describing different kinds, how they work, and jobs that they perform.

Introduces the science of how levers work and describes different kinds of levers and the jobs they do.

Introduces the science of how wheels and axles work and describes different kinds of wheels and the use of wheels throughout history.

Tornadoes explains why a funnel-shaped tornado is like a big vacuum cleaner, why its twisting winds are too fast to measure, and what a waterspout is.

Introduces the science of how pulleys work and describes different kinds of pulleys and the jobs they do.

Photographs, diagrams, and simple text describes how levers and simple machines work.

Presents a discussion of hurricanes, covering how, when, and where they form, the damage they can cause, and what one can do to prepare for them.