Britannica Student Encyclopedia - 2010

ice skating volume 6 page 110

types of skates picture, volume 6

page 109

spelunker (cave explorer): see in index

cave exploration

spelunking: see in index cave exploration

sperm (reproductive cell)

chromosome volume 3 page 116

egg volume 4 page 108

gender determination picture, volume 5

page 93

genetics volume 5 page 93

pollen volume 10 page 116

reproductive system volume 11 page 48

spermatozoa (reproductive cell): see in

index sperm

sperm whale (mammal)

whale species picture, volume 15 page 37

sphagnum moss (plant): see in index peat

moss

sphere (mathematics)

geometry volume 5 page 99

sphinx (mythology)

MAIN ARTICLE volume 12 page 163, picture,

volume 12 page 163

MORE TO EXPLORE

Alexandria, Egypt picture, volume 1

page 75

Sphinx of Thebes (Greek mythology)

sphinx volume 12 page 163

spice (food)

MAIN ARTICLE volume 12 page 163, picture,

volume 12 page 164

MORE TO EXPLORE

East Indies picture, volume 4 page 95

pepper volume 10 page 59

Spice, Isle of (island country in theWest

Indies): see in index Grenada

Spice Islands (islands in the Indian and

Pacific Oceans): see in index East Indies;

Moluccas

spider (arachnid)

MAIN ARTICLE volume 12 page 164, picture,

volume 12 page 164

MORE TO EXPLORE

heart volume 6 page 32

silk volume 12 page 89

spider crab (crustacean)

crustacean volume 3 page 225

Spike (cartoon character)

Schulz volume 12 page 48

spike (plant part)

wheat volume 15 page 39

spillway (construction)

dam volume 4 page 10

spin (ice skating)

figure skating picture, volume 6

page 110

spin (physics): see in index rotation

spinach (plant and food)

MAIN ARTICLE volume 12 page 165, picture,

volume 12 page 165

spinal cord (anatomy) picture, volume 9

page 36

nervous system volume 9 page 34, picture,

volume 9 page 35

Spindletop (oilfield in Texas, U.S.)

Texas volume 13 page 52

spine (anatomy)

meningitis volume 8 page 99

skeletal system volume 12 page 96

spinneret (animal anatomy)

spider volume 12 page 164

spinning jenny (textiles)

Industrial Revolution volume 6

page 133

spiny anteater (mammal): see in index

echidna

spiny hedgehog (mammal)

hedgehog volume 6 page 33

spiracle (anatomy)

exoskeleton volume 4 page 173

grasshopper respiratory system picture,

volume 11 page 54

spiral galaxy (astronomy)

galaxy volume 5 page 81

Whirlpool Galaxy picture, volume 5

page 81

spire (architecture)

twin-spired cathedral picture, volume 15

page 100

Spirit (Christianity): see in index Holy

Spirit

Spirit (Mars rover)

Mars volume 8 page 60

“Spirit of Saint Louis” (aircraft) picture,

volume 7 page 157

Lindbergh volume 7 page 157

spiritual (music)

gospel music volume 5 page 130

spitting cobra (snake)

cobra volume 3 page 145

spleen (anatomy)

cardiovascular system volume 3 page 39

lymphatic system picture, volume 7

page 189

malaria volume 8 page 25

Split (city in Croatia)

outdoor cafe picture, volume 3 page 219

“Split Sides” (dance by Cunningham)

picture, volume 4 page 11

spoils system (politics)

Hayes volume 6 page 30

Spokane (Native American people)

MAIN ARTICLE volume 12 page 166, picture,

volume 12 page 166

SpokaneWar (U.S. history, 1858)

Spokane volume 12 page 166

spoken language: see in index speech

sponge (animal)

MAIN ARTICLE volume 12 page 166, picture,

volume 12 page 167

sponge gourd (gourd): see in index loofah

spongy bone (anatomy)

arm picture, volume 2 page 106

244 speech disorder BRITANNICA STUDENT ENCYCLOPEDIA

 

bone volume 2 page 106

spoonbill (bird)

ibis volume 6 page 106

spore (seedlike reproductive body)

ferns volume 5 page 12

fungus volume 5 page 75

moss volume 8 page 190

plant volume 10 page 95

protist volume 10 page 159

sport fishing (recreation): see in index

fishing

sporting breed (dog group)

dog volume 4 page 63, table, volume 4

page 62

sports

MAIN ARTICLE volume 12 page 167

MORE TO EXPLORE

children playing soccer picture, volume

12 page 167

Native American ball game picture, volume

3 page 109

spotted hyena (mammal) picture, volume

6 page 104

hyena volume 6 page 104

spotted-tailed native cat (mammal)

marsupial picture, volume 8 page 63

spring (machine component)

clock volume 3 page 140

spring (place where water naturally flows

from the ground)

Budapest volume 2 page 141

Reykjavik volume 11 page 59

Tbilisi volume 13 page 24

volcano volume 14 page 101

spring (season)

season volume 12 page 61

springbok (mammal)

herd in Kalahari desert picture, volume 7

page 44

spring equinox (astronomy): see in index

vernal equinox

Springfield (state capital of Illinois, U.S.)

MAIN ARTICLE volume 12 page 168

MORE TO EXPLORE

Illinois volume 6 page 116

images

Lincoln Home National Historic Site

picture, volume 6 page 118

Lincoln statue picture, volume 12

page 169

sprinkler system (irrigation tool)

farm in France picture, volume 6

page 162

irrigation volume 6 page 161

sprint (bicycle race)

cycling volume 3 page 235

sprint (footrace)

track and field volume 13 page 84

Spruce Knob (mountain inWest Virginia,

U.S.)

Allegheny Mountains volume 1 page 83

Sputnik 1 (Soviet artificial satellite)

rocket volume 11 page 77

satellite volume 12 page 41

space exploration volume 12 page 151

spy (intelligence)

MAIN ARTICLE volume 12 page 169, picture,

volume 12 page 169

Squanto (Native American interpreter

and guide)