Valentine's conversation hearts have so many uses this time of year. We have used them in multiple ways over the years. This year we tried a candy hearts science experiment!
Materials:
- Conversation hearts
- Clear cups
- Various liquids
For our liquids we used things we already had at home: water, Coke Zero, vinegar, and apple juice. Before we started, I asked the question, "Which liquid do you think will dissolve the candy heart the quickest?" We placed 5 conversation hearts in each cup and observed what happened immediately and over time.
Immediately we noticed that the hearts sank in every substance, except the Coke Zero (actually 1 sank, 4 floated). They started fizzing in Coke Zero immediately.
We checked the conversation hearts after one hour and again after two hours. Most had risen by that point! Such a fun way to discuss solubility! There's lots of printables online you can find to do this in your classroom and we could have used one at home. I chose not to for this activity since it was just me and my son doing it. We just talked about what we were observing throughout the process instead! ![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWLyCy5rkbOJXBh5MFO5hozG6PQAKgNi2XATstgji-mPM4aYjHk3WBCRyWg37_sI1hIwsgQNt4TWMQdOxDuNlT-b_7BEsSv18i5lIA37LJHW0UDN7G60MHxPM3VwI4K-l5radlyS4uXjk/s640/vday21.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWLyCy5rkbOJXBh5MFO5hozG6PQAKgNi2XATstgji-mPM4aYjHk3WBCRyWg37_sI1hIwsgQNt4TWMQdOxDuNlT-b_7BEsSv18i5lIA37LJHW0UDN7G60MHxPM3VwI4K-l5radlyS4uXjk/s640/vday21.jpg)
Other ways we've used candy hearts in the past:
- Sorting by color
- Sorting by first letter
- Graphing
- Fine motor skills
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