Learners research the past eras in history including the Precambrian, Paleozoic, Mesozoic and the Cenozoic.  In this time scale lesson plan students take part in a lab that allows the learners a better understanding of the timeline...

Students explore earth epochs, i.e, Permian, Precambrian, Cambrian, Ordivician and through pictures they see what life on Earth and animals looked like. They organize Earth Epochs according to years going from greatest to least...