Begin with an engaging discussion about fossils and their significance in understanding Earth's history. Use real-life examples of Tyrannosaurus rex and trilobites to captivate students' interest.
Go to the LessonLesson Plans
Geological Time Scale
Learning Objectives
- Understand how fossils are used to develop the geological time scale.
- Identify the relationship between fossil location in strata and their age.
- Explain how the geological time scale helps determine the age of rocks and fossils globally.
- Recognize the significance of specific fossils, like Tyrannosaurus rex and trilobites, in dating rock layers.
Introduction and Hook
Direct Instruction
Explain the concept of the geological time scale and how it helps scientists determine the age of rocks and fossils globally.
Introduce the idea of strata and how the location of fossils within these layers provides insights into their age.
Guided Exploration
Watch the video 'Weathering and Erosion – A Visit to Bryce Canyon National Park' to understand the processes that shape rock formations over time.
Discuss how these processes relate to the formation of strata and the preservation of fossils.
Hands-On Activity
Engage students in a hands-on activity to simulate the formation of sedimentary layers using different colored sands or soils.
Encourage students to 'discover' fossils within the layers and discuss their findings.
Independent Practice
Assign students to research a specific fossil and present how it has helped scientists understand Earth's history.
Check for Understanding
Conduct a short quiz to assess students' understanding of the geological time scale and the significance of fossils.
Try the QuizReview and Reflection
Have students reflect on what they learned about the geological time scale and its importance in understanding Earth's history.
Assessment and Extension
Use the 'Learning From Fossils' assessment to evaluate students' ability to interpret fossil evidence and understand geological processes.
Encourage students to explore additional resources on fossils and geological time scales to deepen their understanding.
