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Geologic Time Scale: 10 cm, calendar, clock

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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 Grade

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Grades: 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
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This lesson combines math, science and art in a sparkling and engaging activity. Student will learn about rock classifications and draw an example using geometry. Students will gain an understanding