October 13, 2018October 13, 2018 by Glenford Session 4, 7th grade 7th-Grade Post Leave a comment Today in class we did a light bulb activity with a multimeter, alligator clips, battery holders, D+ Batteries, lightbulbs, and conductors/insulators (wax paper, aluminum, yarn, string, pipe cleaner, and paper) to see which would conduct electricity.