via Laughing Squid.
Showing 4 posts tagged reaction
This experiment was featured a few months ago in a video that had a variety of DIY science tricks. But it’s such a fun and easy activity to do that it bears repeating: Get some milk, dish soap, food coloring, a plate, and then wait for the oooos, aaahs and whoaaaas.
Now this is an effective way for co-curators to remember the names of elements… have the elements explode! Five out of the six Alkali metals react with air and water: Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), and Caesium (Cs).
(NH4)2Cr2O7! Or… an Ammonium Dichromate Volcano!
With some heat, these (highly toxic) orange crystals will thermally decompose as they release heat, nitrogen, water and green dichromium (III) oxide ash.