https://docs.google.com/document/d/1Hk9GCg2Q5vusIVPS3fihbmciBF-50W4a2JWgbNB9y-c/pub
HOMEWORK:
9/10 - Copy and define vocabulary words from lesson plan in NB
9/12 - LL. The speed of a sound wave traveling in ocean water at 20'C is 1522
meters per second. Suppose that a sound wave takes 20 seconds to reach
the bottom and return, How deep is the water at that location? SHOW WORK!