First we made our hypothesis to see which objects would float and which objects would sink.
Everyone drew the objects showing their guesses.
Next, we collected the information and put in a graph.
Then we tested each object.
We had a discussion about the results and recorded by cutting and pasting in the pictures of each object in the correct category (sink/float).
Students understood that things can float and sink not only by the weight, but also by the material.
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