Interactive
Chemistry Collective

Chem Collective: Metals Density Problem

For Teachers 9th - 10th
In this activity, students use the virtual lab to identify three unknown metals by measuring their density and comparing their measurements to the densities of known metals. In this randomized version, each student designs and performs...
Activity
Hunkins Experiments

Hunkin's Experiments: See if a Ring Is Pure Gold

For Students 9th - 10th
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...