Is It Really “Great”? Discuss the following with the people at your table: What criteria could be used to determine if an invention should be considered “great” List several of the “greatest inventions of all time” and as a table rank the top 5 Engagement Day 1 Drill

How did you do it? Which of the criteria did your group use to identify the top five inventions? Was there one criterion that held “more weight” in your decision? Engagement

Top 10 Inventions Read the article “Top 10 Greatest Inventions Ever” – 5 minutes Identify 3 items that you feel were left off of the list or would come in at # 11, 12, and 13. On a fresh sheet of paper, list these items and write a short explanation for why you feel they should be there. Do this in the same “style” as the author. Exploration

The Most Important Invention of All Time Your criteria was based on important aspects of our lives. These include: –Social –Economic –Educational –Political –Safety –Health Copy these categories and make a note of how the internet has impacted each Explanation Day 1 Drill

The Most Important Invention of All Time –Society – easier communication w/ friends family –Economic – buy/sell easier, larger audience, jobs –Education – online classes, easier research –Politic – ads, info, fundraising –Safety – information, privacy issues –Health - online records Explanation

Communication systems allow information to be transferred from: Human to human (telephone) Machine to human (digital thermometer) Human to machine (TV remote) Machine to machine (atm computer to bank computer) Explanation

New Technologies Result from: –Demands –Values –Interests Of Individuals Industries And Society Explanation

New Technologies Result from: –Demands –Values –Interests Of Individuals Industries And Society Explanation

Societal Expectations Meeting societal expectations is the driving force behind the acceptance and use of products and systems. Acceptance is based on: –Whether it does its designed job. –How well it accords with various economic, political, cultural, and environmental concerns. Explanation

The process is often slow. Many inventions and innovations have evolved by using slow and methodical processes of tests and refinements. Experimentation is sometimes the only way Edison’s Light Bulb Explanation

The First Practical Light Bulb Edison developed the first practical light bulb in 1879 In 1880, he created a bulb that has all of the essential features of a modern bulb. –An incandescent filament in an evacuated glass bulb with a screw base

The Filament Was Key Creating the filament was the most critical factor. It had to glow when an electrical current passed through it. It possessed a high electrical resistance It had to last for a long time. Explanation

Many, Many Tries Edison and his team experimented with thousands of different filaments just to find the right materials to glow well and last a long time. Explanation

Discussion What were the demands, values, and interests of individuals, industries, and society that led to the development and acceptance of electric lighting? Explanation

Potential and Kinetic Energy In the past, an invention or innovation was not usually developed with the knowledge of science. Elasticity Friction Aerodynamics Explanation

Information is shared in many forms including: Numbers Words Symbols Sounds Images Explanation

Symbols The use of symbols, measurements, and drawings promotes clear communication by providing a common language to express ideas. Explanation

Extension Activity You will be using a website that describes over 100 inventions. Not all of them are “high impact”. You are to create a one-page fact sheet about a “high impact” invention. Which list on the next page consists of “high impact” inventions?

High or Low Impact Airplane Telephone Vacuum Packed Canning Solar Cell Elevator Highways Seat belts X-ray machine Etch-a-Sketch Astroturf Tennis Instant Mashed Potatoes Hacky Sack Sandwich Skateboard Zamboni Extension

Answer in a sentence Where on the list of the “Top 100 Inventions” do you think your selected topic fits? Notebook checks begin today! Day 3 Drill

Is It Really “Great”? Discuss the following with the people at your table: What criteria could be used to determine if an invention should be considered “great”. It should: –1 _________________________________ –2 _________________________________ –3 _________________________________