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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

Through an analysis of data sets on four parameters - sea ice totals, sea surface temperatures, near surface temperatures and surface type - students must decide whether the Arctic is experiencing climate change and predict any potential effects on... (View More)

This is a lesson about elemental spectra. Learners will compare known elemental spectra with spectra of Titan and Saturn’s rings from a spectrometer aboard the NASA Cassini spacecraft. They identify the elements visible in the planetary and lunar... (View More)

In this lesson, students will learn how cosmic rays were discovered and what they are - including their size and speed. Includes background information for the teacher, questions, activities and information about student preconceptions. This is... (View More)

Keywords: Cosmic ray
Audience: Middle school
Materials Cost: Free

This collection features images taken by the Chandra X-ray Observatory, including image descriptions and comparison with optical images. Search options include chronological listings, images by category, and images by interest such as... (View More)

Audience: Informal education
Materials Cost: Free

This is an activity about spacecraft radio communications. Learners will explore spacecraft radio communications concepts, including the speed of light and the time-delay for signals sent to and from spacecraft. Learners measure the time it takes... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students

This is a lesson about emission spectra. Learners will look at various light sources (including glow sticks and christmas lights) and make conjectures about their composition. The activity is part of Project Spectra, a science and engineering... (View More)

This is an lesson about spectrographs. Learners will build and decorate their own spectrographs using simple materials and holographic diffraction gratings. After building the spectrographs, they observe the spectra of different light sources.... (View More)

This set of two activities are about Saturn's largest moon, Titan. Learners will listen to a narrative "told" by the Huygens probe, entitled Memoirs of a Spacecraft. Next, students will listen to some of the findngs and express those findings by... (View More)

Keywords: Saturn; Titan

This Hubble Space Telescope image shows what appears to be a delicate bubble of gas floating serenely in space. In actuality, the bubble is the visible remnant of a powerful supernova explosion called SNR 0509. The bubble was formed from gas being... (View More)