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This is a story about space exploration. Learners will read about missions to asteroids and comets, consider the measurements and math required for the robotic spacecraft to visit these objects, and are invited to finish the story themselves. The... (View More)

This is an activity introducing the topic of eclipses with a focus on solar eclipses. Learners will first identify what they already know about eclipses. They will also vocalize any questions they may have concerning eclipses. Next, a book is read... (View More)

Keywords: NSTA2013
Audience: Elementary school

In this problem set, learners will analyze a graph of global sea level change between 1880 and 2000 to answer a series of questions, including predicting future trends. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide... (View More)

This is an activity about magnetic fields. Using iron filings, learners will observe magnets in various arrangements to investigate the magnetic field lines of force. This information is then related to magnetic loops on the Sun's surface and the... (View More)

Audience: High school

This is an activity to reinforce concepts learned about the Sun, the Sun, Earth, and Moon system and eclipses. Learners will communally discuss their knowledge of these concepts briefly, and will then complete a series of worksheets and writings to... (View More)

Keywords: NSTA2013
Audience: Elementary school

This is a unit in 7-8 sessions about objects outside of our solar system, including galaxies and the universe. Learners will investigate the contents of the universe, why light years are used to measure distances in space, the lifespan of a star,... (View More)

Audience: Middle school

This is an online crossword about the Big Keck telescope. Learners can complete the crossword and read text about how the telescope works.

In this problem set, learners will analyze a graph of carbon dioxide concentration in the last 400,000 years and consider the rise in carbon dioxide of the last 150 years. Answer key is provided. This is part of Earth Math: A Brief Mathematical... (View More)

In this activity, learners discover new perspectives on geothermal features, such as geysers, mudpots, hot springs, and hot spring terraces by exploring infrared images. Learners will gain an understanding of infrared light and infrared imaging, as... (View More)

This self-paced, interactive tutorial explores how biological activity helps to determine vertical nutrient distributions in the ocean, examines why upwelling boosts marine productivity, and considers how various physical forces interact to... (View More)