8. Make a stand by taping the long end of a flexible straw to an upside down foam cup. Bend the top of the straw horizontal and stick one of the three strips that you have charged to the straw so that it hangs down. We will call this the test tape. 9. Charge two new tapes in the following manner. Stick a piece of tape to the desk as before. Stick a second piece of tape on top of it. Rub them well against the surface. Peel this pair, still stuck together, away from the desk. Bring them near the test tape. What do you observe? One of the pieces of tape attracts the test tape and the other repels it