is it really “great”? discuss the following with the people at your table: what criteria could...
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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
EngagementDay 1 Drill
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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
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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
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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
ExplanationDay 1 Drill
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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
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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
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New Technologies
• Result from:– Demands– Values– Interests
•Of
•Individuals
•Industries
•And SocietyExplanation
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New Technologies
• Result from:– Demands– Values– Interests
•Of
•Individuals
•Industries
•And SocietyExplanation
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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
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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
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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
1880
1893
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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
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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
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Discussion
• What were the demands, values, and interests of individuals, industries, and society that led to the development and acceptance of electric lighting?
Explanation
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Potential and Kinetic Energy
• In the past, an invention or innovation was not usually developed with the knowledge of science.
Elasticity
Friction
AerodynamicsExplanation
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Information is shared in many forms including:
• Numbers
• Words
• Symbols
• Sounds
• Images
Explanation
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Symbols
• The use of symbols, measurements, and drawings promotes clear communication by providing a common language to express ideas.
Explanation
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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?
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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
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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
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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 _________________________________