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Highway Seismograph
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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

How Far?
To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

Changing Body Positions: How Does the Circulatory System Adjust?
Source Institutions
In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing