SciencefairBlanH

__** Levitating Orb* **__ question: Will the orb float or will it stick to the pipe. hypothesis: The orb will float off of the pipe and levitate. materials: Wide PVC pipe, Christmas tinsel, hair. what to do: Take 6 strands of tinsel and tie them together on both ends, cut the ends. Rub the PVC pipe in someones hair. Place the tinsel above the pipe and watch it float. how it works: It is all about static charges. Similar static charges repel away from each other. When you rub the pipe in your hair you give the pipe a negative static charge. The orb is attracted to the pipe at first because the orb has a positive charge. As soon as the orb touches the pipe, it picks up a negative charge. Since the pipe is negative and the tinsel orb is now negative, they repel away from each other and the orb levitates. The orb will also take on more of a “ball” appearance when charged since all the tinsel strands are repelling away from each other. __Balloon hover board__ materials: Balloon, cd, bottle cap with hole in it, tape. what to do: Take the bottle cap and place it into the middle of the cd, place the inflated balloon on the cap and watch it float across the table. __Bend water__ materials: Comb what to do: Turn on the water so its nice and thin. Take the comb and brush it in your hair for 30 seconds. Put it next to the water and watch the water bend!