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High school  
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In this activity, students produce a land cover map of a 15 km x 15 km GLOBE study site from hard copies of Landsat satellite images. Students place clear transparencies over the Landsat TM images and use markers to outline and classify areas of... (View More)

This Hubble Space Telescope image shows the colorful aftermath of the death of a Sun-like star: a planetary nebula. The text describes how this planetary nebula may have formed. In the accompanying educational activity, In Search of ... Planetary... (View More)

Audience: High school, Informal education
Materials Cost: Free

This poster shows comparison images of Earth and Mars on the front, with 11 Mars activities on the back. Learners can investigate: how far away is Mars, why does Mars have craters, water on Mars, Mars' minerals, how high the mountains are on Mars,... (View More)

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 is an activity about sampling in astronomy. Learners will make a sampling window in order to estimate the number of stars in the sky visible to the unaided eye. After, they will discuss how to estimate the effect of different variables on their... (View More)

Images, charts and text aligned to the Students' Cloud Observations Online (S'COOL) project are presented on this PDF version of a two-sided classroom poster. S'COOL engages students in making and reporting ground truth observations of clouds then... (View More)

This lithograph shows an image of Mars on the front, with informational text on the back about how the Hubble Space Telescope (HST) has been used to study Mars weather. HST took this image on March 30, 1997, just as it was making a close pass to... (View More)

Students examine a series of remotely-sensed images of the US, scaling from the continent to San Francisco, and distinguish the concepts of scale and resolution. At greater resolution, students are able to identify different land classes on the map,... (View More)

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