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7th Grade Science
Evolution
3. Evidence
3.1 Fossil Record, Historical evidence
Unlocking Earth's Past: The Fossil Record as Historical Evidence
Discover how fossils preserved in ancient rock layers reveal the history of life on Earth, from the earliest simple organisms to complex species and dramatic extinctions.
What You'll Learn
Fossils preserved in sedimentary rock document ancient life on Earth.
The law of superposition helps scientists determine fossil relative ages.
Transitional fossils like Tiktaalik provide direct evidence of evolution.
Index fossils and radiometric dating help scientists date rock layers.
What You'll Practice
1
Students identify fossil types including molds, casts, and trace fossils.
2
Learners interpret rock layer patterns to determine extinction and evolution.
3
Questions test understanding of superposition, index fossils, and dating methods.
Why This Matters
Understanding the fossil record equips students to interpret scientific evidence, trace the history of life on Earth, and connect biological and geological processes across deep time.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Fossil Record
Stratigraphy
Paleontology
Transitional Fossils
Radiometric Dating
NE Curriculum Aligned