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Nancy R. Martin

8/28/00



Physical Science

Investigating Quarry Blasts



Contributed by Nancy Martin, Bloomington H.S. North





Rationale:

Students apply their skills in identifying patterns (shape, symmetry, etc...) found in wave forms to determine if a seismogram represents a small earthquake or quarry blast.





Objectives:

 

Students will:

Introduction:

Bloomington Indiana is located in limestone country and many of the small "earthquake like" wave forms registered by our seismometer are quarry blasts. This exercise allows the student to use and develop their skills in pattern recognition, categorization, and interpretation to develop a strategy/hypothesis.





Materials: (for each group of two persons)



Procedures:

Part 1:

Conclusions: (part 1)

Procedures:

Part 2:

Conclusions: (part 2)

Possible Extension Activities:



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