This was the osmosis learning experiment from about a week ago!! 1. Soak three eggs in vinegar...You really only need two, but I did an extra, because I know my kid...He was gonna wanna squeeze and squish the 'goo' out of one of those poor eggs. You soak the eggs for 24 hours and the vinegar basically eats the shell off. The real scientific explanation to this the child received was about the chemical reaction occurring as the vinegar reacts with the shell causing it to dissolve and allow the formation of the air bubbles in the vinegar as the gas escapes from the shells, allowing them to thin and just the egg lining or egg membrane to remain. Acetic Acid + Calcium Carbonate = Carbon Dioxide release We also discussed the calcium of the shell being much like the calcium found in a bone of an animal, which is why they are white. His contrasting statement to this is when scientists found dinosaur bones, they were more a dingy whitish brown color than white. We discussed the whi...
soooo what does this coool picture mean? I like it! - by the way this is Li-esha!!!!!
ReplyDeleteLIII-EEE-SHA - oh, friend and family member, cousin, wife of Jud! My YHWH sister! It is a wordle picture capture from the last post I did before this one...I learned about Wordle at the conference and thought it was neat...so, I made one! :)
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