The New Book of Knowledge, Volum 1Grolier Incorporated, 1989 - 21 sider An illustrated encyclopedia containing over 9000 articles on history, literature, art and music, geography, myths and legends, mathematics, science, hobbies, holidays and festivals, games, sports, crafts, medicine, law, government, industry, politics, and other topics. |
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Side 358
... kinds of cloth- ing the people wore . If they lived before the time of pottery , a bone needle may show that they sewed skins together for clothing or had some sort of woven fabric of wool or flax . Two kinds of rubbing stones probably ...
... kinds of cloth- ing the people wore . If they lived before the time of pottery , a bone needle may show that they sewed skins together for clothing or had some sort of woven fabric of wool or flax . Two kinds of rubbing stones probably ...
Side 483
... kinds of matter in the world are made from only about 100 kinds of atoms . Curiously , the idea of the atom is far from new . About 2,500 years ago certain Greeks began to wonder what would happen if they took a piece of wood and kept ...
... kinds of matter in the world are made from only about 100 kinds of atoms . Curiously , the idea of the atom is far from new . About 2,500 years ago certain Greeks began to wonder what would happen if they took a piece of wood and kept ...
Side 486
... kinds of particles making up atoms . An atom is enormous compared to the size of its nucleus . Imagine an atomic nucleus the size of a pea . In such an atom some of the о NEUTRON + PROTON ELECTRON 4 Atoms of two common elements ...
... kinds of particles making up atoms . An atom is enormous compared to the size of its nucleus . Imagine an atomic nucleus the size of a pea . In such an atom some of the о NEUTRON + PROTON ELECTRON 4 Atoms of two common elements ...
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