I loved this lesson. It would be easy to do as a TTOC or if you found yourself with some extra time and not enough planned. Of course, having the tubs, items and worksheet makes it easier, but students could also write out statements on lined paper.
First, they PREDICT if an item will SINK or FLOAT.
Then, they put the item in the tub of water to OBSERVE.
Next, they write down their results - did it SINK or FLOAT.
After each student chose an item, the entire group would predict, then observe. Each student had a chance to choose an item to test. At the end, they all wrote sentences to explain why they thought things would SINK or FLOAT.
They were all engaged, it got a bit splashy at times, but they were reminded to be cautious not to get their DATA SHEETS wet and ruin their findings.
What a fun lesson!
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