You can and should do Day 1 on your own...
- outline your written response; use the guides/hints/stuff on page 2 to help with this
- think about the model that you might need to build in class
- you have done a lot of modeling this section, now you're building a 3-D version
- the model you choose to build Must be referenced by your written response
- think of it as the figure/picture/diagram that best shows what you mean or are trying to explain