Inventions and inventors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Harmonica | Christian Friedrich Ludwig | 1821
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Phonograph | Thomas Alva Edison | 1877
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World Wide Web | Tim Berners-Lee | 1989
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Artificial Heart | Dr. Robert K. Jarvik | 1982
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Water Thermometer | Galileo | 1593
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Lightning Rod | Benjamin Franklin | 1752
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Bifocals | Benjamin Franklin | 1783
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Parachute | Blanchard | 1785
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Cotton Gin | Eli Whitney | 1793
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Electric Battery | Volta | 1800
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Stethoscope | Lanec | 1819
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Typewriter | Charles Thurber | 1843
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Telegraph | Samuel F. B. Morse | 1844
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Telephone | Alexander Graham Bell | 1876
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Electric Stove | William S. Hadaway | 1896
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Airplane | Wilbur and Orville Wright | 1903
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Helicopter | Igor Sikorsky | 1939
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Adding Machine | Blaise Pascal | 1642
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Stock Ticker | Thomas Alva Edison | 1869
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Mercury Thermometer | Gabriel Fahrenheit | 1714
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Piano | Bartolomeo Cristofori | 1688
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StudyStack | John Weidner | 2002
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
PRO Teacher
JohnW
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