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An Investigative Look at Florida's Sinkholes Lesson Overview

Students will…
• Differentiate between erosion, physical weathering and chemical weathering.
• Create a model of a sinkhole.
• Investigate factors that affect sinkhole formation.
• Present an argument supported by evidence collected from their model


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120 minutes (3-4 classes)
Groups of 2-3 students
PTI Inquiry
1.2, 6.2, 7.1, 7.2
Lesson Components Time Inquiry Skills Tech. Used Engage Level Brief Description
Engage 10 min 1.2 Computer 2 Video showing consequences of sinkhole formation.
Explore 40 min - Model 3 Creation of model testing one of three factors that may affect sinkhole formation
Explain 30 min - none 3 Evaluate data collected through model and write justification of evidence.
Expand 10 min - USGS maps 2 Examine other groups factors tested and compare data to own group. Analyze and review data on USGS Map
Evaluate 30 min 6.2, 7.1, 7.2 - 3 Presenting their arguments to class on factors that affect sinkhole formation. Answer pregenerated questions.

Level of Student Engagement
1     Low     Listen to lecture, observe the teacher, individual reading, teacher demonstration, teacher-centered instruction
2     Medium     Raise questions, lecture with discussion, record data, make predictions, technology interaction with assistance
3     High     Hands-on activity or inquiry; critique others, draw conclusions, make connections, problem-solve, student-centered

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