Links:
Some of our previous activities: https://nielsonschool.blogspot.com/2013/12/tornadoes-hurricanes-convection.html
Make a levee in dirt https://levees.sec.usace.army.mil/levee-basics/how-levees-work/
https://www.youtube.com/watch?v=3yNoy4H2Z-o flood risk
https://www.youtube.com/watch?v=UBivwxBgdPQ why rivers move
*https://www.youtube.com/watch?v=m_ZLyzByj98 hydraulic flume—structures in rivers
*https://www.youtube.com/watch?v=3yNoy4H2Z-o coastal defenses and flood risk
Convection currents in a tub
Turbulence as the currents mix
Cold and hot water separating into layers
We got out the tornado bottles, of course.
"Underwater volcano" erupting
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