1. Miwok Engineering: The Kotcha and It’s Purpose
by Ms. O’Donoghue

2. A Simple Design Problem
As a group you are tasked to create a Native American Miwok Kotcha.
Imagine you are from the Miwok Nation and you need to construct a building for you and your family.

3. Research and Prototype

4. Design Problem Continued
Your building must hold at least 3 base ten long blocks.
Your building should be able to stand on its own.
You will collect some of your building materials
Some of your building materials will be provided, but limited
You and your group have a time limit of 45 minutes to create your kotcha

5. Building Materials playdough (provided) string (provided)
redwood bark (provided)
cardboard (provided)
grasses (you collect)

6. Earthquake
Your building structure should be able to withstand a 6.0 earthquake
The “Shake Test”