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Day 14: What exactly is this substance?

Students were testing conductivity of an unknown substance in Mr. Gaffney's class as part of an Argument Driven Inquiry lab. These 8th graders were given a few known substances, and through procedures created by themselves and data organized by themselves, worked hard to come up with a solid conclusion of what type of material each of the unknown substances was made of. Definitely fun and impressive to see kids thinking like scientists.