Daily Archives: April 7, 2021

I learned about three inventions and one inventor this week.  The three inventions are: the piano, the thermometer, and the seismometer.  The inventor is Gottfried Leibniz.   The first invention is the piano.  The piano is a stringed musical instrument that uses keys to press a hammer which makes it play.  It impacted history becauseContinue reading “Week 25 Inventions and Inventor”