This happens because Pepper doesn't dissolve or mix into water. Adding soap breaks down the surface tension of the waters 'skin' and as the water molecules spread out away from the soap, it brings the pepper with it.
I learnt that dishwashing liquid works best because the pepper spread away the fastest. On the other hand, Hand Sanitizer is not as good because it spread the least.
My favourite part was dipping my finger in the water because it was satisfying to watch. I also liked covering my finger in the soap, hand sanitizer and dishwashing liquid because it felt weird and I loved it.
It was difficult not to let the soap, hand sanitizer and soap fall in because it would ruin the experiment. So I tried not to but it fell in on the last one because soap was slippery and it fell of my fingers.
Next time I would try not to let it drip because the soap fell of my finger and fell in and it kind of ruined the experiment by pushing the pepper before I put my finger in. I would also look for a stronger hand sanitizer to see if it would make a difference.
Here is my Slide:
Mālō e lelei Kylah,
ReplyDeleteYour science experiment is very well set out with everything being in a line and a small dollop of dishwashing liquid in the lid. Just as well I have plenty of soap for me to be germ-free!
Why does it make the pepper spread? What is the chemical reaction hapening? Maybe you could research the answer and update your blog.
Keep up the great blogging.
Mā te wā,
Mrs Naden
I want to know why it happens too
DeleteMālō e lelei Mrs Naden!
DeleteThank you for commenting on my blog!
I have written down the reason now! Thank you for telling me!
Mā te wā,
Kylah
Mālō e lelei Kylah,
DeleteThank you for updating your blog with WHY it happens.
Do you think all your readers will know what you mean by the water's 'skin'?
Mā te wā,
Mrs Naden