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Topics/Subjects:
Physical sciences  
Earth, moon and sun  
Earth structure  
Learning Time:
45 to 60 minutes  
Resource Type:
Graph  
Materials Cost:
1 cent - $1  
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This is an activity about the periodic reversals of Earth's magnetic field. Learners will graph the frequency of magnetic pole reversals over the past 800,000 years and investigate answers to questions using the graphed data. This is Activity 8 in... (View More)

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