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Learners will listen to the story of an actual meteorite fall, participate in a brainstorm session intended to focus their interest on and arouse their curiosity about meteorites, view a slide show that provides background information, and compose a... (View More)

Keywords: Meteorites
Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this activity, learners build a sextant to measure the altitude, or height above the horizon, of an object. The activity was originally designed to accompany a previous NASA-funded educational program, entitled The Sun in Time.

In this investigation students explore how resolution affects information content on remotely sensed images, relate remote sensor resolution (pixel size) to information content, and gain an understanding of the information content of different kinds... (View More)

Students will examine two satellite images of their local watershed taken at different points in time and use this data to learn about changes in the watershed, particularly in land cover. Next, they describe how these changes have had positive or... (View More)

Students will compare aerial photos of their area from the past with current photos, noting differences and then conducting ground truth investigations to determine what happened. Finally, students will use the information they gather about past... (View More)

Students will research and evaluate information about global warming, identify decision-making criteria for action or lack of action, and decide what level of certainty is sufficient to take action. They should debate the issue of when we know... (View More)

Students will "digitize" photographs of human faces using various grid sizes and shades of gray. Through this activity, they gain an understanding of image resolution and how much information is needed to answer various questions.This introductory... (View More)

Students will first try to imagine what their school and neighborhood look like from “A Bird’s Eye View” and draw a detailed picture. They will follow this with a study of an aerial photo of their town. Materials required for this activity... (View More)

Keywords: Geography
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