Percent Increase and Decrease Quiz
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Montessori Clock of Eras Geology Timeline Impressionistic
No previous Montessori skills, training, or resources required!The Clock of Eras is a graphic aid used by Montessori to help us visualize geologic time by relating it to a clock. The pre-requisite for this presentation is that children can read the time on an analog clock. Using the clock, we can see at a glance the relative time lengths of each major geologic era. Each hour represents approximately 375 million years. Each eon or era has a particular colour, and relevant ones correspond to the c
K - 3rd
Earth Sciences, Social Studies
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