Index Fossils Unit



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Embark on a captivating journey through Earth’s history with this Index Fossils Unit – a high-quality resource meticulously designed to uncover the secrets of the past. In this week-long, low-prep unit, students will explore the essential question, “How do scientists use fossils to interpret the past?” as they engage with a rich array of content that brings the world of paleontology to life.


Dive into key concepts such as the Law of Superposition, the fossil record, fossils as evidence, relative dating techniques, and decoding geologic history using reference tables. This unit provides a seamless blend of theoretical knowledge and practical applications, offering educators a robust set of tools to guide students through the intricate process of understanding Earth’s evolutionary timeline.


With clear explanations, interactive activities, and thought-provoking discussions, the Index Fossils Unit transforms complex geological concepts into an accessible and engaging learning experience, fostering a deep appreciation for the invaluable role fossils play in unraveling our planet’s ancient mysteries.



  • Unit Pacing Guide
  • Lesson Plan
  • Index Fossils PowerPoint Presentation & Guided Notes
  • Index Fossils Activity PowerPoint Presentation & Guided Notes
  • Index Fossils Activity Worksheet & Answer Key
  • ESRT Index Fossils Practice Worksheet & Answer Key
  • Index Fossils Exit Ticket
  • Index Fossils Lab & Answer Key
  • Index Fossils Quiz & Answer Key
  • Fossils Creative Writing Assignment
  • Geologic History of NYS Table


⚠️ BUNDLE & SAVE!⚠️ Save 10% on this resource in the Geologic History Unit Bundle!


Grade Levels: 6th – 12th
Total Pages: 100+
Teaching Duration: 1 Week


What busy teachers like you have said:
⭐️⭐️⭐️⭐️⭐️ Karin C. says, “My students were engaged and I felt this was effective in teaching this lesson. I will be reusing this.”
⭐️⭐️⭐️⭐️⭐️ Ana J. says, “Great resource my students and I really enjoyed this.”
⭐️⭐️⭐️⭐️⭐️ The Barking Dog Farm School (TPT Seller) says, “Great resource! Thank you so much!”
⭐️⭐️⭐️⭐️⭐️ Sarah Jane U. says, “This is a great value and complete lesson. Great strategies teaching index fossils.”


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