Name: Activity series using a voltmeter @bobworley7974
Uploaded: 2026-03-18T01:29:31-0400
Duration: 8 min 17 s
Description: 12 metals, including sodium, lithium and calcium, can be used using a microscale arrangement in a Petri dish. The electrochemical cell is the principle of the battery, which causes considerable waste. Students can approach this problem with systems thinking (see the end of the video).

Uploaded May 2020 | Updated September 2026, 2 weeks ago

What happens to the surface tension of water when salt is added? The effects are tiny, but small-scale chemistry with inexpensive balances can shed some light on this question. Sorry, there is a short blackout in this. Just move the cursor.

citric acid and sodium carbonate in blueberry skin extract

Silver nitrate reacting with copper wire

The reaction between sodium and chlorine

Various copper complexes starting with copper(II) chloride