Breakthrough Inventions S.
2 total works
Ages 9 to 12 years. An invention of dramatic impact, the automobile led to the creation of new industries, changed the way roads and cities were built, and required a system of laws to protect drivers and pedestrians. This colourful book describes the eventful history of the automobile and the inventors who helped develop it. Readers will learn about: the basic parts of a car; how the engine works; how the industry grew rapidly through mass production; threats to the environment; possible fuel alternatives such as biodiesel and ethanol.
Ages 9 to 12 years. While Alexander Graham Bell won the race to patent the telephone, he was only one among many inventors who explored instant voice communication. This fascinating book describes the evolution of the telephone from the invention of the telegraph by Marconi to the modern day cell phones that have become a popular part of our everyday life. It also takes a close up look at: how the telephone works; early inventors and those who continue to enhance the technology; telephone companies, their products, and competition.