Technological Changes Unit Enduring Understandings 1. The motives of competition and profit often prompt people and groups to expand into new areas of opportunity. 2. Changes in technology and exchange during the 18th and 19th centuries led to the social and economic changes around the world that are still relevant today. 3. Technology, transportation and communication enabled European nations to become the dominant world powers in the 19th century. 4. Centers of global economic and political power shift over time. 5. Technology and industrial advancement can alter existing social and economic systems. Technological Changes Agenda – look through Review sheet and packet. Any questions? Complete p 18 and 19 Questions about any RS ?’s through #11? What resources and other factors do the industrial powers need to continue to industrialize? What factors of production do colonies provide to the industrial powers? How will these and other technological developments lead to Europe and the US expanding their power to other parts of the world? Find evidence to support the above 5 enduring understandings Work on core assessment

19th Century Progress Inventors Key invention or innovation Consequences of invention or innovation Thomas Edison Light bulb, phonograph, motion pictures, idea of industrial research laboratory Electricity was demanded, and companies began to do their own scientific research Alexander Graham Bell Telephone – transmission of sound by electric wires Communication became instantaneous and widely available Guglielmo Marconi Radio – wireless transmission of sound Communication became instantaneous over very long distances Henry Ford Assembly line and standardized interchangeable parts Automobiles became affordable and widely available Wright Brothers airplane Led to military and civilian uses – long distance travel became much faster.

19th Century Progress Inventors Key invention or innovation Consequences of invention or innovation Louis Pasteur Developed process of using heat to kill bacteria in milk - this led to germ theory that bacteria caused disease Joseph Lister then determined that bacteria led to infection in surgical patients – leading to development of clean operating rooms and then to public health innovations. Charles Darwin Idea that humans and other living things develop through a process of evolution and natural selection Significant conflict over these ideas and genetic research Gregor Mendel Genes determine traits and are passed down from parents to offspring DNA was discovered now leading to significant treatments and conflicts over genetics Pierre and Marie Curie Radium and polonium were discovered and began research on radioactivity X-rays, medical devices and nuclear weapons came from this research Ivan Pavlov Discovered that reactions in animals (including humans) can be trained through conditioning Led to ways of training and treating humans