Here is a picture story of the events:
This is the progress after the second day. We did the Central Valley and mountain ranges on the first day, and then finished the coast and desert on the second day. Basically the way it works is that we have a map of California attached to a piece of cardboard. We then pressed the salt dough in small pieces directly onto the paper.
I tried as hard as possible to get students to be as accurate topographically as possible. We didn't include all mountain peaks of course, but we did include the top three Whitney, Shasta, Lassen and students were supposed to ensure that Whitney was the tallest peak on their map.
Here is a close-up of a topographical map. One big thing I graded for was that the Sierras were twice the size of the Coastal Ranges. This student did a good job of that, as well as placing his mountain peaks in the correct spot.
On the third and fourth day, we painted in the same order as we built: Central Valley first, then mountains, followed by the coast and desert. The reason we split it up is because you really want the salt dough to be completely dry. Otherwise it still shrinks and moves.
We painted the four regions in four different colors. All of them are pretty realistic with the exception of the coast. The different colors really help the students learn the different regions. After this activity, all of my students knew them and they still correctly refer to them months later.
This project is what made me fall in love with teacher collaboration. As a first year teacher, I would have never attempted this project on my own because it seemed way too daunting. But my coworker (the other 4th grade teacher) has done this project for years, and she walked me through the process. And I loved it! Definitely doing it again next year and for many years to come. It is such a fun project and the students get so much out of it! It is also surprisingly easy.
What recipe did you use for the salt dough?
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