But one thing we were stumped on is the vinegar. We don't really know how to show that it was there because we couldn't see any pieces under the microscope, so we left it as one big blob like the water.
So Mrs. Brinza helped students change their 2D thinking into 3D thinking. She brought out the base-10 blocks and built something similar to this picture:
We tried to represent everything we've learned about this stuff we can't see and how water behaves in a model below. Here is our work!