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Fossils Challenge Theory of Rapid Animal Evolution in Cambrian
Grades: 3 to 12Subjects: Science, Geography, History-Social Science, Life SciencesMost major animal groups appear for the first time in the fossil record some 545 million years ago in a relatively short period ...Contributor: ThinkfinityViews: 0Favorites: 0Evolution and Extinction of Mammoths
Grades: 6 to 8Subjects: Science, Life Sciences, Number SenseUsing this reproducible worksheet, from a Science NetLinks lesson, students record notes after viewing information on Web sites ...Contributor: ThinkfinityViews: 0Favorites: 0Delving into the Grand Canyon
Grades: 6 to 8Subjects: Earth's Resources, Science, Geography, History-Social Science, Earth & Space ScienceIn this Xpeditions lesson, students learn about how the Grand Canyon was formed and what the region looked like at the time each...Contributor: ThinkfinityViews: 0Favorites: 0Geology Wing
Grades: 6 to 12Subjects: Science, Earth & Space ScienceIn this online exhibit on the Museum of Paleontology Web site, visitors can take a close look at the time periods making up the ...Contributor: ThinkfinityViews: 0Favorites: 0
