We've been doing an intensive unit on sink and float in science recently, and today we had a discussion about why things float. We came up with that a lot of things that float have more air in them. So they went back to their seats to write/draw about this. Here is the discussion I had with one of my students.
Ms. W: So what's going on in your picture here A?
A: Well this guy has a life jacket on so he is floating. This guy doesn't so he is sinking.
I guess he didn't know how to swim...
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