Narrow Search

Your search found 2184 results.
Sort by:
Per page:

Now showing results 431-440 of 2184

This is an activity about forecasting space weather. Learners will use real-time data from NASA's Solar Dynamics Observatory, or SDO, to identify a variety of solar features and active regions of the Sun, and then will use these observations to... (View More)

This Website brings current science to the general public, informal learning centers, and classrooms. The three Science Bulletins -- Astro, Earth, and Bio - present ongoing research and recent discoveries in astrophysics, Earth science, and... (View More)

Audience: Informal education
Materials Cost: Free

In this self-paced tutorial, learners explore the personal choices students make every day as resource consumers, and how those decisions contribute to the climate health of our planet. Multimedia educational resources such as video clips, digital... (View More)

This textbook chapter introduces the buffalo as a keystone species, and describes the environmental impacts of its near extinction, including today’s predominance of non-native species in the Great Plains. Human activities that contribute to... (View More)

In this demonstration activity, students make structural models of gas molecules using pipe cleaners and polystyrene balls and test their molecules for their resonant frequency. Students shake the models, count vibrations, and compare the resonance... (View More)

NASA scientist, Neil Gehrels, serves as your guide to this online lesson on gamma ray tools, which focuses on advances in detector technologies since the 1980s that have enabled us to capture and image high-energy phenomena. Dr. Gehrels explains... (View More)

Audience: High school
Materials Cost: Free

In this textbook chapter, sea level rise, ocean acidification, storm surge, desertification, ecosystem loss, and extreme weather are all discussed, along with economic and social costs to society. A video clip of NASA scientist, Dr. Tom Wagner,... (View More)

Audience: High school

This tutorial provides the evidence that the amount of CO² in the atmosphere has not been as high as it is currently for nearly half a million years and that this increase corresponds with data that human activity is responsible. Learners examine... (View More)

In this textbook chapter, students are introduced to Mendelian inheritance and the biological processes through which changes in DNA are created and propagated within a population. An activity teaches students about dominant and recessive alleles,... (View More)

Audience: High school
Materials Cost: Free

In this problem-based data analysis activity, students assume roles as members of an International Team of Marine Biologists, tasked with predicting and monitoring possible harmful algae blooms. Students use data maps and guiding questions, to... (View More)