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. |
Inni boken
Resultat 1-3 av 64
Side 472
... EARTH MOON MERCURY JUPITER *** MARS * *** . ** ** ** ++ Ptolemy thought that the earth was the center of the uni- verse . The sun and planets circled the earth . Planets also moved in smaller circles , called epicycles . circle . Second ...
... EARTH MOON MERCURY JUPITER *** MARS * *** . ** ** ** ++ Ptolemy thought that the earth was the center of the uni- verse . The sun and planets circled the earth . Planets also moved in smaller circles , called epicycles . circle . Second ...
Side 480
... earth's atmosphere is squeezed into the first 5.5 kilometers ( 32 miles ) by the weight of the layers above . Here the molecules ( particles ) of gas are packed most closely together . Here the pres- sure and oxygen that we need exist ...
... earth's atmosphere is squeezed into the first 5.5 kilometers ( 32 miles ) by the weight of the layers above . Here the molecules ( particles ) of gas are packed most closely together . Here the pres- sure and oxygen that we need exist ...
Side 482
... earth because the atmosphere keeps about 50 percent of the sun's radiation from reaching the earth's sur- face . The radiation that reaches the earth warms our planet but does not make it boiling hot . At night the blanket of air keeps ...
... earth because the atmosphere keeps about 50 percent of the sun's radiation from reaching the earth's sur- face . The radiation that reaches the earth warms our planet but does not make it boiling hot . At night the blanket of air keeps ...
Andre utgaver - Vis alle
Vanlige uttrykk og setninger
acid acid rain Adams advertising Afghanistan Africa agriculture aircraft airplane airport Alabama Alaska Albania Alberta algae Algeria aluminum American ancient Andorra Angola animals Antarctica antibiotics ants archaeologists Arctic Arctic Ocean areas Argentina Arizona Arkansas Asia Atlantic Ocean atoms Australia Austria automobile bauxite became buildings built called cars cattle century China civilization coast colonies continent crops developed east Ebla engine farms fish flying forests Greek Gulf important Indian industry Island kilometers kinds King known Lake land largest light live major Mesopotamia metal meters miles modern mountains move Museum National North Ocean Park picture pilot plane plants Plateau president radio region River Roman scientists soil South Southeast Asia southern speed stars stone story Sumerian tion Today trees tropical United western wings World War II Zaïre