These 24mm electrode discs are useful in thermal conductivity experiments and many others in the lab. Each set of five includes one electrode of each of the following metals: copper, brass, iron, aluminum, and zinc.
Check out this blog post of ours for experiment ideas using this kit.
PRODUCT WARNINGS
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
This product contains small parts, making it a choking hazard. Only use with adult supervision.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.