Chinese Inventions: The seismograph

by: Sarah Bittner and Andrew Kim

The Seismograph

http://www.youtube.com/watch?

v=fMBPAZ0lGfE&feature=em-share_video_user

http://www.historyforkids.org/learn/china/science/seismograph.htm



The seismograph helped tell the empire where or which direction the earthquake was coming from, one of the the balls in the dragons mouth would drop and tell where the earthquake is coming from.



Pictures of the ancient seismograph