Children's Encyclopedia1976 |
Des de l'interior del llibre
Resultats 1 - 3 de 11.
Pàgina 9
... hundreds of times bigger . The stars seem to move across the sky . But it is the earth that is moving . The earth spins like a top . It also travels around the sun . Scientists think that stars are made from clouds of gas and dust . A ...
... hundreds of times bigger . The stars seem to move across the sky . But it is the earth that is moving . The earth spins like a top . It also travels around the sun . Scientists think that stars are made from clouds of gas and dust . A ...
Pàgina 15
... hundreds of cells . These cells turn the sun's light into electricity . The electricity gives the satellite its power . This spacecraft was sent to Mars . Power through Wires Everything is made of tiny particles called atoms . Atoms ...
... hundreds of cells . These cells turn the sun's light into electricity . The electricity gives the satellite its power . This spacecraft was sent to Mars . Power through Wires Everything is made of tiny particles called atoms . Atoms ...
Pàgina 40
... hundred different plants account for nearly all the food grown on the land . The most important of all crops are the cereals . Wheat , rice , maize , barley , rye and millet give over half of the world's total food supply . Hundreds of ...
... hundred different plants account for nearly all the food grown on the land . The most important of all crops are the cereals . Wheat , rice , maize , barley , rye and millet give over half of the world's total food supply . Hundreds of ...
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adult Aerotrain Africa Arctic areas armor atomic battle bigger birds body bomb bones brain breathe build built butterfly called carried cells cities coal colored crankshaft creatures crops cylinder deep desert dinosaurs earth eggs Egyptian plover electricity enemies engine feet fish flower forests galaxy gear Greeks ground grow heat hovercraft huge hunted insects inside jungle kinds knights land leaves light live look Louis Bleriot machine mammals miles millions Montgolfier brothers moon Mount Everest mountains move muscles nerves nest numbers oxygen picture piston plane pollen Prairie falcon railways rain reptiles river road rock Sahara Desert sailing sea anemone sea scorpions seeds shell ships shows skin South America South Pole space spacemen speed spider stars steam locomotives stone sun's sunlight surface tiny tractors trees turn wheels wind Wright brothers young