STEM Elementary School Classroom ProjectIn this activity, students will work in groups to make a lava lamp from a water bottle. After filling the water bottle with oil, water, and food coloring, students will drop some effervescent tablets in and watch their creation come to life!***If you are interested in a differentiated version of this resource for grades K-8, please click here.This STEM Activity Challenge includes teacher instructions, student instructions (worksheet), grading rubrics, a d