Our spherification attempts were lots of fun, and as is often the case with home science activities, we tried a number of things, observed what happened with each change we made, and branched out and tried some unexpected things as well. We were amazed to see that dropping a drop of juice from the syringe into the calcium bath almost instantly formed a sphere. Excited by our immediate spherical success, we dropped several in (one by one), waited the 60 seconds, fished them out, and put them to the taste test. Because we hadn't rinsed them, they were a bit saltier than we expected (but still totally safe to eat). But, they worked! They were very much like popping boba—and filled with fresh orange juice. Very cool!
They were tiny.
Seriously tiny.
But they were juice-filled spheres, and they did pop in our mouths.
Using the syringe, we made several bowls of homemade popping boba. We played around with our solution, experimenting to see what difference differing amounts of sodium citrate might make. We made some gummy worms.
And then we got creative. The biggest disappointment for us was the small size of the caviar spheres. How could we make them bigger? What would happen if we dropped our juice into the mix by something larger, like a very small measuring spoon? We experimented with several differently sized spoons and techniques, and, voila, we ended up with larger boba.
The process was a huge hit, and we will definitely try spherification again. We have other questions we want to answer, and using a different kind of juice or drink will let us see how the process changes based on what food or liquid we use to fill our spheres.
For the spherification process to work with orange juice, we knew that we might need to lower the acidity of the juice by adding small amounts of sodium citrate to the mixture and seeing how well the spheres formed. (We also knew that even if spheres didn't form, we could inject strings of solution into the calcium bath and fish out something similar to gummy worms! Nothing you drop into the calcium bath is really going to be wasted... it just may or may not make a sphere.)
With that in mind, we got out our ingredients, opened the Science Buddies project up on a tablet for reference, and got down to some serious boba-making business.
Our spherification attempts were lots of fun, and as is often the case with home science activities, we tried a number of things, observed what happened with each change we made, and branched out and tried some unexpected things as well. We were amazed to see that dropping a drop of juice from the syringe into the calcium bath almost instantly formed a sphere. Excited by our immediate spherical success, we dropped several in (one by one), waited the 60 seconds, fished them out, and put them to the taste test. Because we hadn't rinsed them, they were a bit saltier than we expected (but still totally safe to eat). But, they worked! They were very much like popping boba—and filled with fresh orange juice. Very cool!
They were tiny.
Seriously tiny.
But they were juice-filled spheres, and they did pop in our mouths.
Using the syringe, we made several bowls of homemade popping boba. We played around with our solution, experimenting to see what difference differing amounts of sodium citrate might make. We made some gummy worms.
And then we got creative. The biggest disappointment for us was the small size of the caviar spheres. How could we make them bigger? What would happen if we dropped our juice into the mix by something larger, like a very small measuring spoon? We experimented with several differently sized spoons and techniques, and, voila, we ended up with larger boba.
The process was a huge hit, and we will definitely try spherification again. We have other questions we want to answer, and using a different kind of juice or drink will let us see how the process changes based on what food or liquid we use to fill our spheres.
For the spherification process to work with orange juice, we knew that we might need to lower the acidity of the juice by adding small amounts of sodium citrate to the mixture and seeing how well the spheres formed. (We also knew that even if spheres didn't form, we could inject strings of solution into the calcium bath and fish out something similar to gummy worms! Nothing you drop into the calcium bath is really going to be wasted... it just may or may not make a sphere.)
With that in mind, we got out our ingredients, opened the Science Buddies project up on a tablet for reference, and got down to some serious boba-making business.
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