What a cool science experiment!
Look who’s happy! Check this video.
Materials needed:
- 2 empty soda bottles (labels removed)
- water
- vortex bottle connector
- food coloring (optional)
Observation:
>>> Why is the water not going down at first when the top bottle is not move / spin? Because of the air pressure that stops the water from going down.
>>> How does the hole form? When the air goes up, the water goes down. When the bottle is spin in circular motion, it creates a water vortex.
You can also check the links below for more reference.
DIY Tornado in a Bottle by Learning Resources
“Be less curious about people and more curious about ideas.” Marie Curie
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