Electricity and Magnetism Science Fair Projects Using Batteries, Balloons, and Other Hair-Raising Stuff Book

	Introduction	5
1	Static Electricity: Charges at Rest	9
1.1	Getting Charged	11
1.2	Inducing Charge	15
1.3	Detecting Charge: An Electroscope	17
1.4	Some Static Effects	21
2	Moving Charges	24
2.1	A Simple Electric Circuit	27
2.2	Building Circuits	28
2.3	Series and Parallel Circuits	33
2.4	Switches	35
2.5	Flow of Charge Around a Circuit	38
2.6	Sending Messages Electrically	39
2.7	Short Circuit: The Easy Path	42
2.8	Resistors: The Hard Path	46
2.9	A Burglar Alarm Circuit	50
2.10	A Fuse for Safety	52
3	Magnets and Magnetic Fields	55
3.1	Two Magnets	56
3.2	A Magnetic Field	63
3.3	Magnets, Magnetic Matter, and Nonmagnetic Matter	67
3.4	Unmaking a Magnet	69
3.5	Can a Magnetic Field Act Through Materials?	72
4	Magnetism From Electricity	74
4.1	Oersted's Discovery	75
4.2	An Electric Current's Magnetic Field	77
4.3	An Electric Meter	80
4.4	Using an Electric Meter to Test for Conductivity	82
4.5	Magnetic Coils	85
4.6	Electromagnets	88
5	Electricity, Magnets, and Motors	91
5.1	A Current in a Magnetic Field	92
5.2	A Current in a Magnetic Field and Motors	98
5.3	A Current From a Magnetic Field	106
6	Electricity and Chemistry	110
6.1	Inside a Daniell Cell	112
6.2	Inside a D Cell	117
6.3	The Minimum Ingredients for an Electric Cell	120
Appendix	Science Supply Companies	125
	Further Reading and Internet Addresses	126
	Index	127