## Reflection: Student Ownership Earth Layers to Scale - Section 3: Students in Action

What really makes this lesson successful is that the students are accountable to each other for the finished product. As each student is creating their "slice", they know that they are responsible for a piece of the final product.

I observed my students checking their measurements with one another, aware that when they put together all of the sections side-by-side there should not be any discernible errors or differences.

Student Ownership
Student Ownership: Student Ownership

# Earth Layers to Scale

Unit 2: Earth Science
Lesson 3 of 10

## Big Idea: Hmmm.... you said that the Earth's crust is only 2% of the total of the Earth' s layers, but it doesn't look that way in the drawings I've seen.

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45 minutes

### Deborah Gaff

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