by STAO ADMIN | Nov 14, 2019
This activity introduces students to the concept of building a galvanic cell and generating a cell potential (or voltage) from a battery of galvanic cells connected in series. The galvanic cell used involves two readily accessible metals and an easily prepared...
by STAO ADMIN | Nov 14, 2019
The thermite reaction is very exciting, but also extremely dangerous. Iron has a melting point of over 1500oC and the reaction can reach temperatures of over 2000oC. This reaction was once used to weld railroad tracks together. The purpose of this demonstration is to...
by STAO ADMIN | Nov 14, 2019
This classic demonstration involves conducting flame tests of metal salt solutions. The colour of each flame test can be used as a qualitative test to detect the presence of the corresponding metal salt. Refer back to this demonstration when considering the...
by STAO ADMIN | Nov 14, 2019
By examining the properties of plumberÕs tape (also known as Teflon Tape) in a fun and engaging secret message context, students will draw conclusions about the structure of Teflon (PTFE Ð polytetrafluoroethylene).
by STAO ADMIN | Nov 14, 2019
The thermite reaction is very exciting, but also extremely dangerous. Iron has a melting point of over 1500C and the reaction can reach temperatures of over 2000C. This reaction was once used to weld railroad tracks together. This demonstration safely illustrate the...
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