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:
6th Grade, 7th Grade, 8th Grade
Students will focus sunlight through a pinhole onto a sheet of paper. Knowing the distance between the projection and the pinhole allows students to calculate the diameter of the Sun using ratios.
Grades:
6th Grade, 7th Grade, 8th Grade
This lesson is modeled after STEMAzing's lesson, "Picture Perfect Rover Cell Phone Holder”. Students will build a cell phone holder for their Edison Bot, plan a drive for the Bot to collect photos or