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Topics/Subjects:
Physical sciences  
Materials Cost:
$1 - $5  
Learning Time:
1 to 2 hours  
Resource Type:
Informative text  
Educational Level:
Middle school  
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After creating a model of multiple volcanic lava flows, students analyze the layers, sequence the flows, and interpret the stratigraphy. Students use that same volcanic layering model to investigate relative dating and geologic mapping principles-... (View More)

In this lesson, students will explore the density of substances as a model for understanding the mass to light ratio as a predictor of dark matter. They will measure and calculate mass and volume to calculate the density of a foam ball. Students... (View More)

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