Tuesday, September 29, 2015

Tuesday September 29th - Wonders of Water Day 2 - Cohesion and Surface Tension

Today we started into the properties of water and how they support life. Today you started with the following warm up.
Screencast of the discussion around this:


We then watched the following "Movie Trailer" for this section.

This was the only slide of notes we took - the rest of the period was SEEING this property of water in action.
Filling up our jars with water

Dropping pennies in to see how many we could add until the water spilled over.

Taking a look at surface tension by balancing pins on the water.


It was a MESSY day in room 220 that's for sure!!

SOME classes got a chance to see the following two clips that show in slow motion the concept of surface tension:

The second video can be found at 

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