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Cartesian Diver
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.
Float or Sink?
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In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.
Boats Afloat
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In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.
Sink or Float?
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In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.