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This is a lesson that uses the study of sunspots to show how a scientific theory develops and how current technology might be used to support it. Learners will use E.W. Maunder's theory regarding the correlation between the numbers of sunspots and... (View More)

To determine if data values are reasonable, students need to understand the units of measurement and be able to estimate the expected range of values in data. This activity has groups of students collecting and recording data, changing some of the... (View More)

Students create a physical model illustrating soil water balance using drinking glasses to represent the soil column, and explain how the model can be used to interpret data and form predictions. Using data from the GLOBE Data Server, they calculate... (View More)

This is an activity about auroras. Learners will locate, study, and organize images from the IMAGE (Imager for Magnetopause-to-Aurora Global Exploration) satellite and search for a pattern in time of how auroras change. This is the eighteenth... (View More)

Audience: High school

Water supply in the Southwestern United States depends on snow. Students discover its importance through analysis and evaluation of data, satellite images, space shuttle photos, and ground-based observations, and then apply their findings in a... (View More)

Keywords: Snowpack

Students confront the challenge of improving global agricultural production in order to feed increasingly larger populations. Students evaluate tables, maps, graphs, photos and satellite images detailing global population growth patterns and... (View More)

This activity is about the discovery of water ice on Mars. Learners will record and graph temperature data and use a model of an ice-rich and ice-free surface on Mars to examine how ice content in the martian soil would impact the temperature of a... (View More)

This is an activity about seasonal variations in day length. Learners will graph the number of daylight hours in each month in cities around the world and compare results. They will also gain an understanding of the meaning of the term equinox... (View More)

Audience: Middle school
Materials Cost: Free per student

This is a lesson about measuring star size. Learners will use eclipsing binary systems to measure star diameters. This is Activity G-8 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which... (View More)

This is an activity about the solar activity cycle. Learners will construct a graph to identify a pattern of the number of observed sunspots and the number of coronal mass ejections emitted by the Sun over a fifteen year time span. A graphing... (View More)