Digging Up Petrified Forests

Digging Up Petrified Forests book cover — CONTENTS A Different kind of Forest From Tree to Stone Permineralization Finding Fossils In Full Color A Tree's Age Fossil Dating Pieces of the Puzzle How One Forest Formed A National Treasure Polar Forests Older Than the Dinosaurs Glossary Index 4 6 10 12 14 16 18.20.22.24.26.28.30 31 WORDS IN THE GLOSSARY APPEAR IN BOLD TYPE THE FIRST TIME THEY ARE USED IN THE TEXT

Digging Up Petrified Forests — page 1 — A DIFFERENT KIND OF FOREST When you think of forests you probably think of tall green trees made of wood But there's another kind of forest A petrified forest is made of ancient trees whose wood has turned to stone Many trees in petrified forests are millions of years old Explore More PETRIFIED FORESTS CONTAIN FOSSILS OF ANIMALS AND OTHER PLANTS AS WELL AS TREES 4 UNUN

Digging Up Petrified Forests — page 2 — Petrified wood is a kind of fossil A fossil is what's left from a plant or animal that lived thousands or millions of years ago Scientists study fossils like petrified wood to learn what Earth was like long ago and how it has changed PIECES OF WOOD IN A PETRIFIED FOREST LIKE THIS ONE CAN BE OVER 200 MILLION YEARS OLD 5

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