Index
A
amber, 10
animal migration, 28
atoms, 6, 24
B
batteries, 16, 20
Bose, Georg Matthias, 12
C
compasses, 22, 28, 30
E
Earth, 28
electric current, 30, 32, 36
electricians, 10, 12
electricity
charged objects, 12
current, 20
Franklin’s experiments,
14
magnetism
relationship to, 24,
30, 36
natural, 4
power, 16
static, 4, 8, 10, 14
electric motors, 34
electromagnetism, 30, 32
electromagnets, 30, 32,
34
electrons, 6, 8, 24, 30
F
Faraday, Michael, 36
Franklin, Benjamin, 14
friction machines, 10, 12
G
Gilbert, William, 10, 28
Guerike, Otto von, 10
H
Henry, Joseph, 32
homographs, 40
homophones, 41–42
J
jokes
publishing, 44
writing, 38–43
L
lightning, 4, 14, 18
M
magnetism, magnets
in atoms, 6
discovery of, 22
electricity's
relationship to, 24,
30, 36
electromagnetism, 30,
32
magnetic fields, 26, 28,
30
motors, 34
N
neutrons, 6
North Pole, 28
O
Oersted, Hans Christian,
30, 32
P
popular expressions, 39
protons, 6
R
rhymes, 43
S
silly jokes, 43
South Pole, 28
switches, 32
T
Thales, 10
thunderclouds, 18
V
Volta, Alessandro, 16
48
