Scientific Experiment Writing
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TITLE
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Balloon Hover
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QUESTION
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How does a hovercraft hover?
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HYPOTHESIS
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I predict that the CD will move.
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EQUIPMENT
AND MATERIALS:
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A Balloon, bottle cap and a CD
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PROCEDURE:
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Step 1: Using the hot glue gun glue bottle cap over the CD hole
Step 2: blow up a balloon. When is it the fully inflated .
Step 3: twist the balloon.
Step 4: Put the Balloon on the cap of the whole
Step 5: Let it go see what happens
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OBSERVATIONS/RESULTS:
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The disc moved and left a weird path.
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The air from the balloon creates a cushion of moving air between the desk and the CD and reduces the friction across the surface.
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