Geology Archives - National Park Trust

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Color Your Own Hot Spring
The hot springs found throughout Yellowstone are filled with bright colors. The magma under the ground heats up groundwater which can form pools on land called hot springs. Join Buddy for this week’s art project where you’ll learn what causes these magnificent colors then create your own colorful hot spring!
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Create a Grand Canyon With Buddy Bison
Did you know that the Grand Canyon is over a mile deep? Over millions of years, the water of the Colorado River has carved the rock into the plateaus and valleys you see today. Erosion is the process by which soil or rock is dissolved and transported. See how water...
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Grand Canyon Landscape Art
The Grand Canyon’s cliffs, mesas, and valleys have inspired countless artists and photographers. Capture the beauty of the landscape’s rock formations and sunset backdrop using art supplies from home!

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