Kidizen Science, Author at Kidizen Science

Student running the vinegar test on a powder sample, watching what color the solution turns.

A mysterious white powder! What could it be? Our young investigators will sleuth out the identities of the mystery mixtures by first building an “answer key” for how the individual “known” powders react to a variety of tests. Then they’ll use this key to figure out what pair of powders are in each unknown mixture by subjecting them to these same tests.

By Kidizen Science, 4 yearsSeptember 2, 2020 ago

Photo of the testing to be given to each team of students for the Mystery Powders activity. Contained on the cafeteria tray are a test-tube rack, a test tube, a stirrer, a magnifying glass, a cup of water, a dropper bottle of vinegar, a dropper bottle of bromothymol blue, a syringe, and a set of chemical cards for requesting the powder samples and iodine

Toolbox

Essential Supplies

Each activity has its own supply needs, of course, but in this post we describe the “essentials.” Versatile, reusable items that have proven useful in almost all club module run. Plus, they can be obtained for cheap or even free!

By Kidizen Science, 4 yearsSeptember 2, 2020 ago

Kidizen Science

Modules

Mystery Powders

Toolbox

Essential Supplies