Filters: Your search found 2 results.
Topics/Subjects:
Earth, moon and sun  
Size and scale  
Learning Time:
30 to 45 minutes  
SMD Forum - Primary:
Astrophysics  
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In this activity, students estimate the size of the visible universe in relation to the size of the Milky Way Galaxy. To do so, students will get a sense of scale and will convert from centimeters to kilometers. This is activity one in the "Hidden... (View More)

Audience: High school
Materials Cost: Free

In this activity, learners practice estimation skills as they begin to explore the Hubble Deep Field image. They first give a rough estimate of the number of objects and then follow several steps, using representative sampling techniques, to improve... (View More)

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