Dinosaur Ghosts: The Mystery of Coelophysis

3,83 valoración promedio
( 18 valoraciones por Goodreads )
 
9780803717213: Dinosaur Ghosts: The Mystery of Coelophysis

Examines the possible causes of the catastrophe that killed hundreds of Coelophysis dinosaurs 225 million years ago, exploring such possible scenarios as a huge flood, a volcano, and an asteroid."

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From Kirkus Reviews:

An essential purchase--Gillette (The Search for Seismosaurus, 1994) has written another involving book about a topic of guaranteed interest to children. The book opens in 1947, when paleontologists dug up tons of tightly packed bones in the canyons near Ghost Ranch, N.M.; since then they have studied and puzzled over the cause of the sudden extinction of the speedy, dog-sized dinosaurs called Coelophysis, who roamed New Mexico 225 million years ago. Gillette demonstrates the scientific method, postulating a hypothesis and then investigating it against the evidence found in rocks and fossils. Did a sticky pit like La Brea trap the little dinosaurs? Was it a volcanic eruption? Asteroids? Poisoned water? She tests each hypothesis, presents the most likely explanation, given current evidence, and concludes that the answer is not yet final: ``Scientists are always ready to change their ideas to fit what they learn.'' The paintings by Henderson are satisfying, full- color renderings of the dinosaurs, their habitat, and the catastrophe envisioned in each hypothesis. Photos of excavators and bones provide additional intrigue. (glossary, index) (Picture book/nonfiction. 7-12) -- Copyright ©1997, Kirkus Associates, LP. All rights reserved.

From Booklist:

Gr. 3^-5, younger for reading aloud. In 1947 at Ghost Ranch, New Mexico, hundreds of well-preserved, nearly complete skeletons of the tiny Coelophysis dinosaur were uncovered lying close together, some even stacked on top of one another, in a 30-square-foot area. Why were all those dinosaurs buried in one place? Gillette, one of the paleontologists working to solve the mystery, offers several popular hypotheses: poisoned water, asteroids, or a flood. She then cites evidence from surrounding bones and rocks to support or discredit each theory, and her exploration makes for fascinating reading. Henderson's beautifully rendered photo-realist paintings are equally fascinating, transporting the reader back millions of years to the Triassic period. This entertaining and enlightening book will also help young scientists gain insight into the process of formulating and testing hypotheses. Lauren Peterson

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1.

Henderson, Douglas, Gillette, J. Lynett
Editorial: Dial (1997)
ISBN 10: 0803717210 ISBN 13: 9780803717213
Nuevos Tapa dura Cantidad: 2
Librería
Murray Media
(North Miami Beach, FL, Estados Unidos de America)
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Descripción Dial, 1997. Hardcover. Estado de conservación: New. Nº de ref. de la librería P110803717210

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Henderson, Douglas; Gillette, J. Lynett
Editorial: Dial
ISBN 10: 0803717210 ISBN 13: 9780803717213
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Cloud 9 Books
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Descripción Dial. Hardcover. Estado de conservación: New. 0803717210 New Condition. Nº de ref. de la librería NEW6.0457832

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3.

Douglas Henderson, J. Lynett Gillette
Editorial: Dial (1997)
ISBN 10: 0803717210 ISBN 13: 9780803717213
Nuevos Tapa dura Cantidad: 1
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Ergodebooks
(RICHMOND, TX, Estados Unidos de America)
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[?]

Descripción Dial, 1997. Hardcover. Estado de conservación: New. Nº de ref. de la librería DADAX0803717210

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