Welcome to the Petrified Forest National Park! The word “forest” may mislead visitors. The park is in a desert. And the word “petrified” -- which can mean “afraid”-- may scare visitors away! But fear not. “Petrified Forest” gets its name from the trees that have, over millions of years, turned to stone. That natural process is called fossilization. Much of the Petrified Forest formed from tall trees called conifers. They grew over 200 million years ago near waterways. During floods, water forced the trees to be pulled up from the ground. Over time, the wood from the trees became petrified. The Petrified Forest National Park is one of the wonders of Arizona. It sits within the Painted Desert. A Spanish explorer in the 1500s gave the place its name. It is easy to see why. The desert looks like an artist’s canvas. Brilliantly colored mudstones and clays cover the land as far as the eye can see. They contain bentonite, a clay that is the product of changed volcanic ash. The oldest geological formations in the park are about 227 million years old. Differently colored formations show different time periods. The Blue Mesa formations, for example, have thick bands of grey, purple, blue and green mudstones. They are about 220 million years old.
Title: Petrified Forest National Park: Ancient and Spectacular
Content: <div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/petrified_forest.m4a' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Petrified Forest National Park: Ancient and Spectacular' data-article-id='2081'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='6042'>Welcome to the Petrified Forest National Park!</span> <span data-start-time='6042' data-end-time='11521'>The word “forest” may mislead visitors.</span> <span data-start-time='11521' data-end-time='14667'>The park is in a desert.</span> <span data-start-time='14667' data-end-time='22833'>And the word “petrified” -- which can mean “afraid”-- may scare visitors away!</span> <span data-start-time='22833' data-end-time='24750'>But fear not.</span> <span data-start-time='24750' data-end-time='35521'>“Petrified Forest” gets its name from the trees that have, over millions of years, turned to stone.</span> <span data-start-time='35521' data-end-time='41313'>That natural process is called fossilization.</span> <span data-start-time='41313' data-end-time='49521'>Much of the Petrified Forest formed from tall trees called conifers.</span> <span data-start-time='49521' data-end-time='56458'>They grew over 200 million years ago near waterways.</span> <span data-start-time='56458' data-end-time='63104'>During floods, water forced the trees to be pulled up from the ground.</span> <span data-start-time='63104' data-end-time='69375'>Over time, the wood from the trees became petrified.</span> <span data-start-time='69375' data-end-time='76958'>The Petrified Forest National Park is one of the wonders of Arizona.</span> <span data-start-time='76958' data-end-time='81167'>It sits within the Painted Desert.</span> <span data-start-time='81167' data-end-time='88813'>A Spanish explorer in the 1500s gave the place its name.</span> <span data-start-time='88813' data-end-time='91958'>It is easy to see why.</span> <span data-start-time='91958' data-end-time='96708'>The desert looks like an artist’s canvas.</span> <span data-start-time='96708' data-end-time='106063'>Brilliantly colored mudstones and clays cover the land as far as the eye can see.</span> <span data-start-time='106063' data-end-time='115625'>They contain bentonite, a clay that is the product of changed volcanic ash.</span> <span data-start-time='115625' data-end-time='126125'>The oldest geological formations in the park are about 227 million years old.</span> <span data-start-time='126125' data-end-time='132625'>Differently colored formations show different time periods.</span> <span data-start-time='132625' data-end-time='145479'>The Blue Mesa formations, for example, have thick bands of grey, purple, blue and green mudstones.</span> <span data-start-time='145479' data-end-time='150625'>They are about 220 million years old.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/1565/petrified_forest.jpg'/></div></div><div id='question-content' style='display:none;'><div class='multiple_choice_question question-container' data-question-id=7753 data-hint-location='41313' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/much_of_the_petrified_forest_is_formed_by_what_type_of_tall_trees.m4a'>Much of the Petrified Forest is formed by what type of tall trees?</div><div class='choices' data-correct-choice='conifer'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/fossil.m4a'><span>fossil</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/ash.m4a'><span>ash</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/oak.m4a'><span>oak</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/conifer.m4a'><span>conifer</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=7754 data-hint-location='76958' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/the_petrified_forest_sits_within_the__blank_.m4a'>The Petrified Forest sits within the <span class='blank'>Painted Desert</span>.</div><div class='choices' data-correct-choice='Painted Desert'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/painted_desert.m4a'><span>Painted Desert</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/rock_formations.m4a'><span>rock formations</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/national_park.m4a'><span>national park</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/water_fall.m4a'><span>water fall</span></div></div></div><div class='vocabulary_question question-container' data-question-id=7755 data-hint-location='24750' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/what_does_petrified_mean.m4a'>What does petrified mean?</div><div class='choices' data-correct-choice='to slowly changed into stone or a substance like stone over a very long period of time'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/to_have_no_fear.m4a'><span>to have no fear</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/to_produce_volcanic_ash.m4a'><span>to produce volcanic ash</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/to_slowly_changed_into_stone_or_a_substance_like_stone_over_a_very_long_period_of_time.m4a'><span>to slowly changed into stone or a substance like stone over a very long period of time</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1565/to_turn_many_colors.m4a'><span>to turn many colors</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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