Sink+or+Float?

Watch the videos below about items that sink or float in water. After you have finished watching answer the question at the bottom of the page. Don't forget that you can also comment.

media type="youtube" key="MzsORE0ae10" height="390" width="640"

media type="youtube" key="dy0S1Pv0eOE" height="390" width="640"

Question: Of the four items that cookie monster had to choose from, which item(s) do you think will float? Why? Use the terms less dense and more dense in your answer.