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Slide 2 WOW! Slide 3 This sounds like fun. Slide 4 in static electricity positive charges move! Slide 5 We will start with a pith ball and charge it Slide 6 A pith ball has an equal number of and Slide 7 Here we show a sample of electrons and protons. Slide 8 Charging by is the same as charging by Slide 9 When you charge an object by conduction, the object acquires the same charge as the object that charges it. Slide 10 So to charge the neutral pith ball net negative we must charge it with a negatively charged object. Slide 11 We will first bring a negatively charged rod close to the pith ball. Slide 12 As the rod gets closer to the pith ball, the electrons in the pith ball are repelled away from the electrons in the rod. Slide 13 Slide 14 Slide 15 Slide 16 Slide 17 Slide 18 Slide 19 Slide 20 Slide 21 Slide 22 Slide 23 Slide 24 Slide 25 Slide 26 Slide 27 Slide 28 Slide 29 Slide 30 Slide 31 Slide 32 Slide 33 Notice that the side of the pith ball closest to the negatively charged rod is net positive! Slide 34 The positive side of the pith ball is ATTRACTED to the negative rod. Slide 35 Slide 36 Slide 37 Slide 38 Slide 39 Slide 40 Slide 41 Slide 42 Slide 43 Slide 44 Slide 45 Slide 46 Slide 47 Slide 48 Slide 49 Slide 50 Slide 51 Slide 52 Slide 53 Slide 54 Slide 55 Slide 56 Slide 57 Slide 58 Slide 59 Slide 60 Slide 61 Slide 62 When the pith ball makes with the rod, Slide 63 are transferred from the rod into the positive side of the pith ball. Slide 64 The pith ball gains and becomes net negative. Slide 65 The net negative pith ball is now away from the net negative rod. Slide 66 The net negative pith ball is now away from the net negative rod. Slide 67 The net negative pith ball is now away from the net negative rod. Slide 68 The net negative pith ball is now away from the net negative rod. Slide 69 The net negative pith ball is now away from the net negative rod. Slide 70 The net negative pith ball is now away from the net negative rod. Slide 71 The net negative pith ball is now away from the net negative rod. Slide 72 The net negative pith ball is now away from the net negative rod. Slide 73 The net negative pith ball is now away from the net negative rod. Slide 74 The net negative pith ball is now away from the net negative rod. Slide 75 The net negative pith ball is now away from the net negative rod. Slide 76 The net negative pith ball is now away from the net negative rod. Slide 77 The net negative pith ball is now away from the net negative rod. Slide 78 The net negative pith ball is now away from the net negative rod. Slide 79 The net negative pith ball is now away from the net negative rod. Slide 80 The net negative pith ball is now away from the net negative rod. Slide 81 The net negative pith ball is now away from the net negative rod. Slide 82 The net negative pith ball is now away from the net negative rod. Slide 83 The net negative pith ball is now away from the net negative rod. Slide 84 The net negative pith ball is now away from the net negative rod. Slide 85 The net negative pith ball is now away from the net negative rod. Slide 86 The net negative pith ball is now away from the net negative rod. Slide 87 The net negative pith ball is now away from the net negative rod. Slide 88 The net negative pith ball is now away from the net negative rod. Slide 89 The net negative pith ball is now away from the net negative rod. Slide 90 The net negative pith ball is now away from the net negative rod. Slide 91 The net negative pith ball is now away from the net negative rod. Slide 92 The net negative pith ball is now away from the net negative rod. Slide 93 The net negative pith ball is now away from the net negative rod. Slide 94 The net negative pith ball is now away from the net negative rod. Slide 95 The net negative pith ball is now away from the net negative rod. Slide 96 The net negative pith ball is now away from the net negative rod. Slide 97 The net negative pith ball is now away from the net negative rod. Slide 98 The net negative pith ball is now away from the net negative rod. Slide 99 The net negative pith ball is now away from the net negative rod. Slide 100 The net negative pith ball is now away from the net negative rod. Slide 101 The net negative pith ball is now away from the net negative rod. Slide 102 The net negative pith ball is now away from the net negative rod. Slide 103 The net negative pith ball is now away from the net negative rod. Slide 104 The net negative pith ball is now away from the net negative rod. Slide 105 The net negative pith ball is now away from the net negative rod. Slide 106 The net negative pith ball is now away from the net negative rod. Slide 107 The net negative pith ball is now away from the net negative rod. Slide 108 The net negative pith ball is now away from the net negative rod. Slide 109 The net negative pith ball is now away from the net negative rod. Slide 110 The net negative pith ball is now away from the net negative rod. Slide 111 The net negative pith ball is now away from the net negative rod. Slide 112 The net negative pith ball is now away from the net negative rod. Slide 113 The net negative pith ball is now away from the net negative rod. Slide 114 Hooray! Weve successfully charged the pith ball Slide 115 Lets summarize the steps needed to charge a pith ball negative. Slide 116 Equal number of electrons and protons brought close by. Electrons in the pith ball move away form the negative charges in the rod. Positive side of pith ball attracted to rod. Electrons are transferred from the rod into the pith ball making the pith ball Pith ball repelled from negative rod. Slide 117 in static electricity positive charges move!