School Motto. Mission Statement. The mission of Rock Lake Middle School is to prepare students to become productive citizens, future leaders and lifelong learners by inspiring and empowering them to excel academically, technologically, physically, creatively and socially.
The Edo period (æ±æ¸æä»£, Edo jidai) or Tokugawa period (å¾³å·æä»£, Tokugawa jidai) , is the period between 1603 and 1868 in the history of Japan, when Japanese society was under the rule of the Tokugawa shogunate and the country's 300 regional Daimyo.he period came to an end with the Meiji Restoration on May 3, 1868, after the fall of Edo.
Getting To Know the Age: The Ordovician Period is in the Paleozoic Era, which is set in the Phanerozoic Eon. The period began approximately 510 million years ago and ended 440 million years ago, totaling 70 million years, or 1.52% of geologic time (Prothero).