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Explanation 1.The main characteristics of inventors are: Natural curiosity about things and the way they work Find ways to make things to work better Ability to be creative Patience Problem solving skills

A.How do inventions and events influence each other? "Necessity is the mother of all invention..." If there is a problem that needs solving, then people will be trying to solve it, resulting in inventions b. How has nature influenced the development of new inventions Inventors use concepts learned from science and apply them to their inventions Inventors also observe nature to help solve problems which lead to inventions

c. Inventions that were inspired by a natural object or event. Air Planes - Birds Velcro – Briars on clothiing Helicopter – Humming Bird Pogo Stick - Kangaroo

d. What period in history has witnessed the output of the most inventions? Why? The 20th century, more so than any other century. The development of some important technological devises moved the manual labor and draft-animal–based economy towards machine-based manufacturing. Steam Power to power machinery Internal Combustion Engine Electrical Power Generation

Inventions and Innovations are developed to satisfy a need or want. Many inventions or innovations require creativity. Corporations can often create demand for a product by bringing it onto the market and advertising it. Technological ideas are sometimes protected through the process of patenting.

Marketing a product involves informing the public about it as well as assisting in selling and distributing it. A patent is a grant issued by the U.S. Government giving inventors the right to exclude all others from making, using, or selling their inventions within the United States, its territories, and possessions. On April 10, 1790, President George Washington signed the bill which laid the foundations of the modern American patent system.

Since that time, the U.S. Patent and Trademark Office has recorded and protected the electric lamp of Thomas Edison, the telephone of Alexander Graham Bell, the flying machine of the Wright Brothers, and the inventions of hundreds of thousands of other inventors. The patent system has protected inventors by giving them an opportunity to profit from their labors, and it has benefited society by systematically recording new inven­tions and releasing them to the public after the inventors’ limited rights have expired.