Treasure Rocks/Easter Eggs

April 11, 2017

Some of our classes have been experimenting with treasure rocks or, for this week, treasure Easter Eggs!  


Items Needed:  Water, baking soda, food coloring, small treasures or coins and vinegar


1. Water and a few drops of food coloring are added to baking soda until a thick paste is formed. 2. This is rolled into a rock (or egg) shape around a small "treasure" like a coin or little toy.  

3.  It can be left out to dry or placed in the freezer for extra hardening.  

4.  Once dried a bit, the kids use medicine droppers to drop vinegar onto the rock.  

5.  This begins to dissolve the "rocks" and the treasure is revealed!



The kids love watching it fizzle and bubble and are so excited to find the treasure!






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