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
Grades:
5th Grade, 6th Grade, 7th Grade, 8th Grade
Students read the story "Just a Second" to introduce students to geologic time. Next, they are given an activity to understand how long is 4.6 billion years. Then students complete a lab that allows
Grades:
4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
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Grades:
4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
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