Quicksand

Our last science experiment was creating Quicksand. It only requires cornstarch and water and it's a ton of fun!

First we dumped the cornstarch in a container:

Then poured in some water. Son poured the whole pitcher in which diluted it too much. We had no more cornstarch so I added arrowroot powder to balance it out:

The constarch was very thick and hard to mix:

But liquidy when the kids picked it up. It felt so cool:

I hid some treasures in the mixture for them to find:

Beware! This caused a HUGE mess, but well worth it!