Filters: Your search found 2 results.
Educational Level:
Middle school  
Topics/Subjects:
Astronomy  
Instructional Strategies:
Generating and testing hypotheses  
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In this activity, students examine the first line of evidence, galactic motion, for the notion of an expanding universe. By examining the spectrum of light from a galaxy, students can determine whether a galaxy is moving toward or away from us, and... (View More)

Audience: Middle school, High school
Materials Cost: Free

Learners will look for the relationship between atmospheric mass and other characteristics of a planet. When the results are not completely conclusive, the students explore possible causes of discrepancies in the data. They conclude that gravity,... (View More)

Keywords: habitable zone
Audience: Middle school
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