3-5 ETS1-1
Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost.
![Subscribe to RSS - 3-5 ETS1-1](https://greatbasinobservatory.org/misc/feed.png)
Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost.