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This index lists the pages on
which topics appear in this book.
Page number after a p refer to a
photograph or drawing. Page
numbers after a c refer to a
chart, graph, or diagram.
 
Abacus, p584
Acceleration, p402, 422, p422
Acid, 384, p384
Acid rain, 169, p169
Activities,
  Directed Inquiry, Explore,
   4, 36, 60, 92, 124, 164,
   196, 228, 260, 300, 340,
   372, 404, 444, 476, 508,
   540, 572
  Guided Inquiry, Investigate,
   26–27, 50–51, 80–81,
   114–115, 154–155, 178–
   179, 216–217, 250–251,
   290–291, 322–323, 362–
   363, 394–395, 432–433,
   466–467, 490–491, 530–
   531, 562–563, 592–593
  Full Inquiry, Experiment,
   188–191, 332–335, 500–
   503, 604–607
  Take-Home Activity, 29, 32,
   53, 56, 83, 87, 88, 117,
   120, 157, 160, 181, 184,
   219, 223, 224, 253, 256,
   293, 296, 325, 328, 365,
   368, 397, 400, 435, 439,
   440, 469, 472, 493, 496,
   533, 536, 565, 568, 595,
   599, 600
Adaptation, 172
  to antibiotics, 175
behavioral, 173
of mosquitoes, 175
structural,
p163, 172
Adrenaline, 64
Air, p317, 318
  kinds of, 234
layers of,
p231
as resource, 316
in respiratory system, 70
water in, 208
Airbag, p582
 
Air currents, p232–p233
  thunderstorms and, p238
Air friction, 415
Air front, 236
Air masses, p227, 234, p235
  meeting of, p236–p237
Air movement, 231–233
Airplane, p419, p581
Air pollution. See also Pollution
  in acid rain, 169
hydroelectric power and, 311
wind power and, 309
Air pressure, 208, p233
  clouds and, 212
wind and,
p232
Air sacs, p58, 70
  in lungs, c72–c73
Alarm clocks, 576
Alcohol in thermometers, 463
Algae
  in coral, 138
symbiosis and, 143
Alloys, 359
Alpha Centauri (star), 521
Altocumulus cloud, p213
Aluminum, 480
Alveoli. See Air sacs
Amazon rainforest, p223
American Red Cross Blood
   Bank,
88
Ampere (amp), 479, 484
Amphibians, p10, c14, c15
Ancient cultures
  eclipses and, 511
seasons and festivals of, 511
Anemometer, p227, 242, p243
Animal, p6, c9
  amphibians, p10, c14, c15
arthropods, c19, c20
birds,
p11, 12, p13, c13
characteristics of,
p10
in cities,
p175
Cnidaria,
c19
competition among, 140
in coral reefs,
p138
in deep sea,
p139
in desert biomes, 134
dinosaur fossils,
c16–c17
ecosystems changed by, 167
energy from food,
p453
fish,
p10, c14
food for,
p145
in grassland biomes, 132
  habitat of, 125
hearts of, 68
invertebrates, 18–21
mammals,
c11, p11
mollusk,
p18, c19
reptiles,
p11, 12, p13, c13
in river ecosystems, 136
seeds spread by,
p107
in space, 573
symbiosis among,
p142,
   p
143
in taiga biome, 133
tissues and organs of, 44
in tropical rainforest,
p130
in tundra biome, 135
vertebrates, 10–17
water and,
p211
in wetlands, 137
worms, 18,
c19
Animal kingdom, 8, c9
Antacid, p376
Antarctica, 205, 223, p555
Antares (red supergiant star),
   c
527
Anthers, p102
Antibiotics, 175, p386, 386–
   387
Aorta, c69
Apollo 11 spacecraft, c589
Aquifer, p194, p203
Archaebacteria kingdom, c8,
   c25
Arctic Ocean, 199
Arecibo radio telescope, p517
Arm, c48–c49
  make a model of, p50–p51,
   c51
Armstrong, Neil, c589
Arsenopyrite, c284
Artery, p58, c66, c67
  of heart, c68, c69
in kidney,
c79
into lungs,
c73
Arthropods, 20
  complete metamorphosis of,
   c
20
incomplete metamorphosis of,
   20
Art in Science, 7, 41, 70, 105,
  129, 139, 145, 211, 267,
315, 357, 381, 421, 455,
487, 529, 581
Asexual reproduction, 108