Create 5- to 10-slide Microsoft® PowerPoint® presentation (with speaker notes) that shows a timeline displaying at least five significant discoveries made by humans prior to the 20th century, and five significant inventions made by humans prior to the 20th century. Neither should come from prehistory. Identify each item as a discovery or invention.

Include the approximate date of the discoveries and inventions, as well as a short five- to six-sentence description.

Include the names of the principal discoverers and inventors and an explanation of why the discovery or invention is significant.

Arrange your list chronologically and provide examples of how the discoveries and inventions helped human beings to understand their relationship with nature.

Present the Discovery Timeline..

Format your assignment according to appropriate course level APA guidelines.