Dunn, Karen Lewit

Describes inventions that have made modern life easier, including refrigerators, cars, and television.

Examines types of roller coasters and how they work, discussing gravity, friction, and potential and kinetic energy.

Explores how technology is used to study natural disasters, including hurricanes, earthquakes, and wildfires, and warn people about them.

This book presents an explanation of various types of careers, describing the tools and skills required for each.

Describes practical inventions which have made life easier, such as the light bulb, the printing press, eyeglasses, the clothes dryer, the can opener, the zipper, and the umbrella.

Photographs and simple text describes the importance of things like refrigeration, television, and other inventions that make life easier.