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Measurement  
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A Hovmuller plot is a diagram that visibly displays data patterns from a selected latitude or longitude over a time period. Through a storyline and several samples, students are introduced to a Hovmuller plot of temperature data along a longitude in... (View More)

Audience: High school
Materials Cost: Free

This online Flash interactive simulates the process of discovering new exoplanets using the transit method. Learners explore a simulated star field, record data, make measurements and do calculations to discover new planets. Instructional videos and... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this data exploration activity, students will access, download and graph authentic ozone data for four different locations on Earth. The ozone levels at the four sites are compared and analyzed, and students investigate the cause of changes in... (View More)

Keywords: Dobson unit
Audience: Middle school, High school
Materials Cost: Free
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