Childrens Illustrated Encyclopedia
199 Explorers 199- PERILS OF THE SEA Early sailors faced many natural dangers, such as storms, reefs, icebergs, and fog. The sea ...
WONDERS OF CHINA On his travels, Marco Polo became a favorite of Kublai Khan, the Mongol ruler. Marco later published a detailed ...
201 EyEball Three pairs of muscles turn the eyeball to look up, down, and from side to side and rotate it. Pads of fat cushion t ...
202 fARM ANIMALS Female chickens are called hens. Males, like the one shown here, are usually more colorful. They are called roo ...
203 Zebu Cattle are one of the most numerous farm animals, with about 1.355 billion in the world. They were first used to pull c ...
204 Organic farming Some farmers in Western countries prefer to grow crops and raise animals in a natural, or organic, way. They ...
205 AgriculturAl revolution During the 18th century, new methods of agricultural production were developed and breeds of livesto ...
206 For 518 million years, fish have swum in the oceans. The first fish had no scales, fins, or jaws, unlike those we know today ...
Fish 207 Sea horSe Sea horse eggs are deposited by the female into the male’s front pouch, where they develop for about four wee ...
childrens_illustrated_encyclopedia_template_US_layer_v1 208 Fishing industry The world’s rivers, seas, and oceans provide one of ...
209 Flies and mosquitoes Life cycLe of a drone fLy The drone fly is a kind of hoverfly. it resembles a bee in appearance and mak ...
210 ArchAeopteryx One of the first birds known to have existed is called Archaeopteryx. Fossil remains date back 150 million yea ...
flight, animal 211 Tiny veins strengthen the thin membrane of the dragonfly’s wing. Model of the pterosaur Dimorphodon which gre ...
212 THE EXQUISITE BEAUTY, color, and scent of flowers have inspired artists and poets for centuries. Flowers are among the most ...
Flowers and herbs 213 Pollination to produce a seed, the male cell in a pollen grain must fertilize a female cell in the ovule. ...
214 Football super bowl The National Football league (NFl) stages a spectacular championship game between the winners of its two ...
215 NewtoN’s laws of motioN in 1687, the english scientist isaac Newton (1642-1727) published his three laws of motion. the firs ...
216 Forest wildlife 216- Wolverine The wolverine of northern forests is an exceptionally strong animal for its size. it tackles ...
217 forest wildlife AtlAs moth the atlas moth is one of the largest moths in the world, with a wingspan of 12 in (30 cm). today, ...
218 Ichthyosaur sometimes the outline of an animal’s skin is preserved as well as its bones. this happened to the ichthyosaur sh ...
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