Free Ebook National Geographic Science Chapters: Mysteries of the Fossil Dig: How Paleontologists Learn About Dinosaurs, by Pamela Rushby
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National Geographic Science Chapters: Mysteries of the Fossil Dig: How Paleontologists Learn About Dinosaurs, by Pamela Rushby
Free Ebook National Geographic Science Chapters: Mysteries of the Fossil Dig: How Paleontologists Learn About Dinosaurs, by Pamela Rushby
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About the Author
Pamela Rushby is the award-winning author of National Geographic’s Ben Franklin: Printer, Author, Inventor, Politician, as well as of the Science Chapters Mysteries of the Fossil Dig: How Paleontologists Learn about Dinosaurs and Discovering SuperCroc. A former advertising copywriter and preschool teacher, she lives in Brisbane, Australia, with her husband and son. To learn more, visit pamelarushby.com.
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Product details
Age Range: 7 - 10 years
Grade Level: 2 - 5
Series: Science Chapters
Library Binding: 48 pages
Publisher: National Geographic Children's Books (September 12, 2006)
Language: English
ISBN-10: 079225953X
ISBN-13: 978-0792259534
Product Dimensions:
5.4 x 0.3 x 7.9 inches
Shipping Weight: 5.6 ounces (View shipping rates and policies)
Average Customer Review:
4.0 out of 5 stars
2 customer reviews
Amazon Best Sellers Rank:
#714,113 in Books (See Top 100 in Books)
It wasn't what I expected. It's a very small book. Not worth the cost of the book.
This compact little gem begins with Sue Hendrickson’s discovery of a T-Rex skeleton in South Dakota in 1990. Young readers will thrill to the exciting discovery of the dinosaur named Sue and pour through the book to learn more!Dinosaurs thrived on Earth during the Mesozoic era, which lasted 183 million years. Although Hollywood might argue otherwise, humans and dinosaurs never met and paleontologists do their level best to become dinosaur detectives, determining what these creatures might have looked like when the world was young. Ms. Rushby outlines some of the many ways in which paleontologists glean essential facts from the remains of plants and animals which lived in the past. Fossilization itself is a bit of an accident of nature and fossils have been found in some very remote locations, often by sheer happenstance.When a fossilized dinosaur is discovered, unearthing the creature from the hard rock becomes a tricky endeavor. First, the area must be staked out into a grid, so that the exact location of each and every bone may be recorded accurately. Next, picks and shovels are used to move soil out of the way. As the paleontologists get closer to the bones themselves, they must often resort to dental picks and brushes to prevent injuring the fossils.Fossils are extremely fragile. Once the bones have been excavated enough, cloth soaked in plaster of Paris is applied, forming a cast around the bones and preventing damage in shipment to a museum. Once in the museum, the real work of cleaning the bones begins. Using a weak acid to dissolve the rock, dental tools and tiny drills, the museum staff slowly chip away at the rock remaining around the bones, revealing the perfection of the dino skeleton itself.If the skeleton is of an exciting new species, putting the skeleton back together again can become a real challenge. Paleontologists compare and contrast the bones of other skeletons recently discovered in the area to obtain some clues about how the creature might have appeared in life. Once this has been determined, casts of the real bones are assembled for museum display, while the genuine skeleton is kept in the bowels of the museum, under appropriate heat and humidity for the preservation of each important find.There are hundreds and hundreds of fossils still awaiting discovery. Ms. Rushby leaves young readers with the tantalizing image of possibly discovering one of their own fossils some day. It fires the imagination!
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