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<a href="https://florida.pbslearningmedia.org/resource/ess05.sci.ess.earthsys.nautiloid/the-grand-canyon-evidence-of-earths-past/" target="_blank" rel="nofollow noopener noreferrer">The Grand Canyon: Evidence of the Earth's Past</a>

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Additional topic resources for Science Companion, Grade 5.

Lesson 15: Fossils and Geologic Time

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Lesson 15: Fossils and Geologic Time

OER Resources