volume 15 page 17
MORE TO EXPLORE
African Americans volume 1 page 43
Du Bois volume 4 page 80
Washington, D.C. (capital city of the
U.S.)
MAIN ARTICLE volume 15 page 18
MORE TO EXPLORE
Banneker volume 2 page 26
Maryland volume 8 page 69
United States volume 14 page 24
U.S. Capitol picture, volume 15 page 18
White House picture, volume 15 page 41
Washington, George (president of the
U.S.)
MAIN ARTICLE volume 15 page 19, picture,
volume 15 page 19
MORE TO EXPLORE
Adams volume 1 page 23
American Revolution volume 1
page 100
French and IndianWar volume 5
page 66
Hamilton volume 6 page 10
Monroe volume 8 page 171
Pulaski volume 10 page 166
Ross volume 11 page 99, picture, volume
11 page 99
timeline volume 15 page 19
278 wall BRITANNICA STUDENT ENCYCLOPEDIA
United States volume 14 page 29
Valley Forge winter camp picture, volume
1 page 101
Washington, D.C. volume 15 page 18
White House volume 15 page 41
Washington, March on (U.S. history)
picture, volume 3 page 130
civil rights movement volume 3
page 130
King volume 7 page 66
Washington and Lee University (university
in Lexington, Virginia, U.S.)
Lee volume 7 page 122
Washington Monument (inWashington,
D.C., U.S.) picture, volume 14
page 24
WashingtonWizards (U.S. basketball
team)
Jordan volume 7 page 35
wasp (insect)
MAIN ARTICLE volume 15 page 21, picture,
volume 15 page 21
waste disposal (biology): see in index
excretion
waste recycling: see in index recycling
watch (timekeeping device)
clock volume 3 page 140
water
MAIN ARTICLE volume 15 page 22
MORE TO EXPLORE
cave features picture, volume 3 page 63
chalk volume 3 page 79
cholera picture, volume 3 page 110
crystal volume 3 page 226
Earth volume 4 page 89
energy volume 4 page 137, picture, volume
4 page 139
erosion volume 4 page 152, picture, volume
4 page 152
food and nutrition volume 5 page 44
Mars volume 8 page 59
molecule picture, volume 8 page 155
natural resources picture, volume 9
page 21
physical states of water picture, volume 8
page 78
steam picture, volume 4 page 166
seed volume 12 page 63
transportation volume 13 page 92
water, ground (water below Earths surface):
see in index groundwater
water buffalo (mammal) picture, volume
2 page 147
buffalo volume 2 page 146
watercraft (vehicle): see in index boat;
harbor; ship
water cycle picture, volume 15 page 23
rain volume 11 page 21
water volume 15 page 23
waterfall (geology)
MAIN ARTICLE volume 15 page 24
MORE TO EXPLORE
Angel Falls picture, volume 14 page 63
Havasu Falls picture, volume 15 page 24
Iguazu Falls picture, volume 12 page 142
Niagara Falls picture, volume 9 page 58
Ozark Mountains picture, volume 1
page 180
salmon picture, volume 12 page 22
Screw Auger Falls picture, volume 1
page 151
waterfowl (birds)
duck volume 4 page 81
mandarin duck picture, volume 4
page 81
Watergate Scandal (U.S. history)
Nixon volume 9 page 75
water habitat (biology and ecology)
habitat volume 6 page 4
water hemlock (plant)
hemlock volume 6 page 38
water lily (plant and flower)
MAIN ARTICLE volume 15 page 24, picture,
volume 15 page 25
watermelon (fruit)
melon picture, volume 8 page 97
water pollution
Atlantic Ocean volume 1 page 221
Lake Erie volume 4 page 149
oil spill picture, volume 10 page 118
pollution volume 10 page 118
watershed (land drained by a river): see in
index basin
waterspout (architecture)
gargoyle volume 5 page 89
water supply: see in index aqueduct
water transportation: see in index shipping
water vapor
cloud volume 3 page 143
dew volume 4 page 42
evaporation and condensation volume 4
page 166, picture, volume 4 page 166
fog volume 5 page 40
rain volume 11 page 22
snow volume 12 page 115
water cycle picture, volume 15 page 23
waterway (transportation)
Kinderdijk picture, volume 9 page 38
waterwheel (energy utilization divice)
medieval French book picture, volume
13 page 26
Watson, James (U.S. geneticist)
genetics volume 5 page 95
Watson, Thomas Augustus (U.S. industrialist)
Bell volume 2 page 58
Watson-Watt, Robert (British scientist)
radar volume 11 page 16
Watt, James (Scottish inventor)
Industrial Revolution volume 6
page 133
technology and invention volume 13
page 27
Watteau, Jean-Antoine (French painter)
painting volume 10 page 10
wattle (animal anatomy)
chicken volume 3 page 95
wave (water)
erosion volume 4 page 152, picture, volume
4 page 152
Lake Superior picture, volume 12
page 206
ocean volume 9 page 117
undersea earthquake picture, volume 13
page 104
wave (physics)
light volume 7 page 148
radiation volume 11 page 16
wavelengths picture, volume 11
page 17
wavelength (physics)
color volume 3 page 155
light volume 7 page 148
prism volume 10 page 153
radiation volume 11 page 17, picture,
volume 11 page 17
BRITANNICA STUDENT ENCYCLOPEDIA wavelength 279
types of electromagnetic radiation
picture, volume 11 page 18
rainbow volume 11 page 22
Wave Rock (landform in Australia) picture,
volume 11 page 75
Wawat (ancient settlement, Nubia)
Nubia volume 9 page 103
wax
petroleum volume 10 page 68
wealth (economics)
economics volume 4 page 99
weapon (military technology)
MAIN ARTICLE volume 15 page 25, picture,
volume 15 page 26, picture, volume 15
page 26
MORE TO EXPLORE
army volume 1 page 190
bow and arrow picture, volume 1
page 166
Iron Age volume 6 page 159
war volume 15 page 9
weasel family (mammal)
MAIN ARTICLE volume 15 page 26, picture,
volume 15 page 27
weather
MAIN ARTICLE volume 15 page 27
MORE TO EXPLORE
satellite images of Hurricane Katrina
picture, volume 15 page 28
wind volume 15 page 48
weather balloon picture, volume 3
page 137
weather station picture, volume 12
page 182
weaver (bird)
nest picture, volume 9 page 37
web (biology)
spider volume 12 page 164, picture, volume
12 page 164
Web, The (information network): see in
indexWorldWideWeb
Webb, Matthew (British athlete)
swimming volume 12 page 216
webcam (electronic technology)
laptop with webcam picture, volume 6
page 142
Web site (computer science)
Internet volume 6 page 142
wedding (ritual)
cultural variations picture, volume 3
page 230
wedge (mechanics)
machine volume 8 page 6, picture, volume
8 page 6
week
calendar volume 3 page 9
weeping willow (tree) picture, volume 15
page 46
willow volume 15 page 45
Wegener, Alfred Lothar (German scientist)
continent volume 3 page 190
weight (measured mass)
clock volume 3 page 140
gravity volume 5 page 144
measurement volume 8 page 88
weightlessness (physics)
gravity volume 5 page 144
Weimaraner (breed of dog)
sporting dogs table, volume 4 page 62
Weimar Republic (German history,
1919-33)
Germany volume 5 page 106
Weinstein, Garri (Russian chess player):
see in index Kasparov, Garry
Weinstein, Harry (Russian chess player):