History of Inventions

1. History of Inventions • Save this PowerPoint to your number • Click on File – Save As – Click the drop down arrow for the Save In box – Click on your number – click Save • You will do your work from this screen, not from the View Show screen. • Go to next slide.

2. Warm Up: Which Came First? Read about the two inventions below and click after the question mark to type your answer. Which came first? Then go to next slide. • SubwayAfter the horse-drawn streetcar, the railroad, and the elevated railroad, the logical place for mass transit to go was underground. The first subway was built in London; within a few decades, every truly big city had one. • Coca-ColaCoca-Cola was originally formulated as a medicinal tonic; it included caffeine, coca leaf, and a secret ingredient (probably nutmeg). A few years after its invention, the formula was sold and the new owner began offering it as a bulk syrup, to be combined with gas—the bubbles—and sold at soda fountains. Untold billions of Cokes have been consumed since then.

3. Answer • Answer: The subway. The first subway line opened in London on January 10, 1863. The cars were pulled by steam engines that produced noxious gases; still, it was a great success.Coca-Cola was created in 1886 by John Pemberton, a pharmacist in Atlanta. • Go to next slide.

4. Instant PhotographyWhen his daughter asked why she couldn't see a picture he had just taken, Edwin Land began working on an instant photography system. His solution, worked out over seven years and refined for decades, sandwiched all the necessary chemicals into one sheet of photo paper. The first instant pictures were black-and-white and appeared in about 60 seconds. Instant CoffeeInstant coffee was invented twice: first by a single chemist, then by the giant Swiss company Nestle. The chemist saw that coffee vapors condensed as a powder; this powder could be mixed with water to make coffee. Later, Nestle sought to help Brazil find a market for its surplus coffee. The solution was instant coffee, freeze-dried, rather than powdered, and made on an industrial scale. Which came first? Click to write your answer: Go to next slide.

5. Answer • Answer: Instant coffee. Nestle's mass-produced coffee first hit the market in the late 1930s and became popular after World War II. (The first instant "joe" was actually made around 1909.)Modern instant photography was unveiled in 1948 by Edwin Land, founder of Polaroid. • Go to next slide.

6. Your Turn • Now it’s your turn to check out some inventions. • You will use the websites found on the upcoming slide to research and record 6 inventions. • Go to next slide

7. Directions • You will be able to type your notes on the 3 slides after the websites. • When you need to make notes, minimize the website, click esc on the keyboard (this will put you back on the PowerPoint so that you may type). Then you can click back to the website from the bottom of the screen. • Now you will need to go to Slide Show – View Show in order to open the link.

8. History of Inventions’ Sites Invention Facts Invention Timeline Additional Info (many links)

9. Notes slide: Click to begin typing. Invention #1 Invention #2 Go to next slide

10. Notes slide: Click to begin typing. Invention #3 Invention #4 Go to next slide.

11. Notes slide: Click to begin typing. Invention #5 Invention #6 Go to next slide.

12. Now you will take the information you gathered and create a timeline of your inventions • Click on the following links and follow the directions. • Work on this link cannot be saved. So you will need to complete all the typing in one session. • Raise your hand when you are ready to print your timeline. • You will need to go to Slide Show – View Show to open the link. • Interactive Timeline site • Vertical Timeline site