100 Days of Science #75-- Jumping Conversation Hearts

This was such a fun and quick science experiment! 



We filled a traditional drinking glass most of the way full with club soda (any clear carbonated beverage should work).  



Then we dropped in a conversation heart or two (you can also use Necco wafers) and watched them... first the hearts sink to the bottom but as the bubbles bead up on the surface the hearts begins to rise.


Eventually the heart will make it's way to the top; a few bubbles will pop and it will slowly sink back down again.






We tried breaking a few hearts into smaller pieces, floating multiple pieces at once, and even letting a bit of soda out of the glass.


It really was a fun science experiment to watch and we talked about how and why it works.



Others in this series:
53. Iodine and Starch Experiment
54. Flouride and Calcium Experiment
55. Botanical Gardens in Winter
56.  Making Cell Models
57. Which Has More Water; Ice or Snow?
58. Exploding Snow and Water Baggies
59.  Exploring Minerals
60. Visiting the Hartford Science Museum
61-63. 3 STEM Bridge Challenges
64. Making Models of the Earth
65. Plate Techtonics with Graham Crackers
66.  Homemade Lava Lamp
67.  Science Movies We're Watching
68.
Index Card Towers

69.  Botany at the Botanical Gardens
70. Best Board Games for Science 
71. Homemade Frozen Yogurt Pops
72.  Starburst Rock Cycle 
73. & 74. Sinking a Marshmallow 

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