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While talking about water pollution, my class did a mid-unit graphing activity. This was created to be a refresher on how to make a line and bar graph on paper. We did the graphing together as a class, and I helped them plot the points accurately, giving them tips along the way. The product is delivered as a Google Doc, so you may edit it as you need.

This lab uses the standard "baking soda and vinegar" volcanic lava demonstration, but with a twist.