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Now showing results 11-20 of 61

This chapter describes how to set a scale and measure distances and areas on satellite images. Using ImageJ, a freely available image analysis program that runs on most operating systems, users set the spatial calibration of an image, then select... (View More)

In this activity, users download and graph modeled climate data to explore variability in climate change. Most people know that climate changes are predicted over the next hundred years, but they may not be aware that these changes are likely to... (View More)

This is an online set of information about astronomical alignments of ancient structures and buildings. Learners will read background information about the alignments to the Sun in such structures as the Great Pyramid, Chichen Itza, and others.... (View More)

Audience: Middle school, High school, Informal education
Materials Cost: Free

Users explore data, using My World GIS, that characterize the dynamic Greenland Ice Sheet. By examining photographs, map views, and tabular data, users gain an understanding of how and why scientists are monitoring the ice sheet and what they are... (View More)

In this chapter, students will explore relationships between air quality and population density using the image visualization tool, Google Earth. You will learn how to download NO2 data and analyze them to develop a conceptual understanding of how... (View More)

Keywords: Google Earth
Audience: Middle school, High school
Materials Cost: Free

This is an activity about the Signal-to-Noise Ratio. Learners will engage with a hands-on activity and an online interactive to understand the terms signal and noise as they relate to spacecraft communication; quantify noise using a given dataset;... (View More)

Audience: Middle school
Materials Cost: Free

This is a building-wide enrichment program consisting of a series of posters and accompanying questions designed to pique student interest in science concepts and their application to the world in which we live. Accompanying each poster is a series... (View More)

Audience: Elementary school
Materials Cost: Free per group of students

In this lesson plan students use temperature data to look at the measures of central tendency. By using mean, median, and mode, students will gain a better understanding about weather patterns from several locales throughout Virginia.

Keywords: Mean; Median; Mode
Audience: Middle school, High school
Materials Cost: Free

Using the diameter of a pencil as a reference, students calculate and construct a line chart to show the relative height of several altitudinal points such as Earth's atmosphere, the beginning of space, commercial airplane flights, and the Hubble... (View More)

Students explore the evidence for dark matter using the measurements made by the ROSAT X-ray satellite for a small group of galaxies. Prerequisite knowledge: students should be familiar with the Law of Universal Gravitation and able to work with the... (View More)