What Is a Fossil? Curriculum Materials for grades Kindergarten through 4 The most common fossils are bones and teeth, but not all fossils are body parts. Explore the wide-ranging evidence of ancient life that scientists use to understand Earth's prehistoric past.
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		Fossil Find Curriculum Materials for grades 5 through 8 Once paleontologists find a fossil, the truly exacting work begins. Dig up your own "fossil" to see firsthand what it takes to excavate and reconstruct a skeleton.
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		Body and Trace Fossils Evidence and Analysis for grades Kindergarten through 5 What kind of fossil is a tooth—body or trace? How about a nest of eggs? Or a skin impression? Examine the differences between body and trace fossils with these eight high-quality photographs.
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		What Teeth Tell Us Curriculum Materials for grades Kindergarten through 4 Are those sharp, pointy dinosaur teeth all the better to eat you with? Or are they designed for tough vegetation? Examine dinosaur teeth as a paleontologist would.
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		Dinosaur Teeth Curriculum Materials for grades 5 through 8 When it comes to dinosaurs, teeth are the windows to these prehistoric reptiles' stomachs—and the different foods that filled them. Examine dinosaur choppers, strippers, grinders, and rippers.
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		Dinosaur Timeline Curriculum Materials for grades Kindergarten through 4 When you've been alive for less than a decade, how in the world do you grasp geologic time? Start with a 100-inch-long roll of adding machine tape and measure out Earth's past.
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		Understanding Geological Time Curriculum Materials for grades 5 through 8 How long have humans been on Earth compared to the length of time dinosaurs roamed the planet? Gain a new understanding of time by mapping out Earth's history.
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