The New Book of KnowledgeGrolier, 1986 - 21 sider An illustrated encyclopedia containing over 9,000 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 11
... rock erupts. Usually the rock is molten, but sometimes rock fragments are blown out by hot gases. Volcanoes may form in places where one plate dives under another or along spreading mid-ocean ridges. Buried rock is melted by the heat ...
... rock erupts. Usually the rock is molten, but sometimes rock fragments are blown out by hot gases. Volcanoes may form in places where one plate dives under another or along spreading mid-ocean ridges. Buried rock is melted by the heat ...
Side 12
... rock and carve valleys. Water seeps into cracks, expands as it freezes, and splits the rock. Ice—moving as glaciers —grinds at the rock. It levels the surface and changes the shapes of valleys and mountains. During the daytime, rocks ...
... rock and carve valleys. Water seeps into cracks, expands as it freezes, and splits the rock. Ice—moving as glaciers —grinds at the rock. It levels the surface and changes the shapes of valleys and mountains. During the daytime, rocks ...
Side 22
... rock, you can see these strata. Some sedimentary rocks contain the records (imprints or remains) of prehistoric ... rock layer was formed before the stratum above it. Thus the animal whose remains are in the lower stratum lived earlier ...
... rock, you can see these strata. Some sedimentary rocks contain the records (imprints or remains) of prehistoric ... rock layer was formed before the stratum above it. Thus the animal whose remains are in the lower stratum lived earlier ...
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American ancient animals atoms became become began beginning building built called carry cause century changes charge chemical church cities common developed direction early earth East eggs electric electrons elements energy engine England English Europe European example experiment explosives fish flow follow force France give grow heat houses important Indian industry iron Islands Italy John keep kind king known land language later learned light lines live magnet materials means metal motor mountains move natural needed North ocean organisms period plants plate plays produce River rock Roman rule schools scientists sometimes surface tests things tion turn United usually waves wire writing wrote