Geologic Time Scale: 10 cm, calendar, clock
by Elena Tellechea
How old is Earth? How big is 1 million years compared to 1 billion years? Students will use three models to organize geologic time and practice cross multiplication to solve for a variable.
Lesson Grade Level
8th GradeLesson Plan Link/URL
https://docs.google.com/presentation/d/18UTVsunijBTcTgR4IBjnRB6lcXx9AI6I/edit?u…Related Content
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Kindergarten, 1st Grade, 2nd Grade
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An overall view of mining, minerals, and their role in our everyday life. This lesson compares the past, present and future of mining and it's relativity to sustaining our way of life.