Category: (This is in relation to an experiment done by sliding plastic, styrofoam, and paper cups across a table, with different amounts of water in it).

(This is in relation to an experiment done by sliding plasti

(This is in relation to an experiment done by sliding plastic, styrofoam, and paper cups across a table, with different amounts of water in it).

(This is in relation to an experiment done by sliding plasti

Posted By Bruce Simons

(This is in relation to an experiment done by sliding plastic, styrofoam, and paper cups across a table, with different amounts of water in it).

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