Children's Encyclopedia1976 |
Des de l'interior del llibre
Resultats 1 - 3 de 6.
Pàgina 14
... Muscle Power — When we run , our muscle power comes from the sun , too . Plants get their energy from the sun they ... muscles . When we run we are using sun power . Brontosaurus , a giant plant - eater . 14 Power From the 10-II 12-13 ...
... Muscle Power — When we run , our muscle power comes from the sun , too . Plants get their energy from the sun they ... muscles . When we run we are using sun power . Brontosaurus , a giant plant - eater . 14 Power From the 10-II 12-13 ...
Pàgina 30
... Muscles The joints can only move because they have muscles attached to them , which pull them into the right position . Muscles work in pairs . To raise the lower part of your arm , one muscle contracts ( gets smaller ) and pulls the ...
... Muscles The joints can only move because they have muscles attached to them , which pull them into the right position . Muscles work in pairs . To raise the lower part of your arm , one muscle contracts ( gets smaller ) and pulls the ...
Pàgina 31
... muscles . As the air passes by them , the cords vibrate and make sounds . We make the sounds into words by moving our lips and tongues . See what different shapes you make to say your name . Food and Digestion We get our energy from the ...
... muscles . As the air passes by them , the cords vibrate and make sounds . We make the sounds into words by moving our lips and tongues . See what different shapes you make to say your name . Food and Digestion We get our energy from the ...
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
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