Saturday Science - Bob the Blob and Salt

Following the earlier post on making water disappear and having made Bob the Blob (yes, we named it!), I researched a bit more and found out that salt actually breaks up the molecular structure. So, hence, we decided to have a go at it and added some salt to Bob.

It certainly was a great way for the little ones to hone observation skills and patience!

This was about 2 - 3 mins after we added and we swirled the salt in. Bob's structure was broken down slowly.

And finally, this is how it looks like 5 mins later - liquid.

It was a simple and definitely easy experiment. Dumpling got to:

- Predict

- Observe 

- Compare and Contrast (I got her to draw both versions of Bob out in her journal)

- Practise her writing skills 

- Understand the various states of "matter"

Dumpling took it a step further when she got a tad sad and asked me if she can reverse the process. So that in itself, led to various few discussions and other experiments where we discussed reversible and irreversible changes. :) Stay tuned! 

This is part of a Saturday Science Series which I capture down the science moments that I do with Dumpling. Moving on, I will try to post these on every 2nd and last Saturday of the month! :D