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In this simulation activity, students experiment with a population of M&M candies or paper dot "beetles" to test how well each color is adapted to survive on a field of colorful wrapping paper or fabric. Students act as predators and see that... (View More)

In this activity, students will examine line plots of NASA data and see that the sun heats up land, air, and water. Students will practice drawing conclusions based on graphed data of cloudy vs. clear sky observations. The lesson provides detailed... (View More)

In this activity, students will read a color plot of Earth's absorption of the sun's radiation, and see that solar energy is unevenly distributed across the Earth's surface. The lesson provides detailed procedures, related links and sample graphs,... (View More)

Audience: Elementary school
Materials Cost: Free per student

In this activity, students use image analysis software to determine the percent loss of old growth forests over time by analyzing a time series of 4 forest maps of the U.S. Software is available on the Global System Science Website. A manual... (View More)

This is an lesson about comets. Learners will create a physical timeline of comet appearances in art and literature throughout history. Participants use a set of photos depicting comets in art images and science missions and place the images in... (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 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)

This model demonstrates convection currents and uses water, food coloring, a cup of very hot water and a votive candle as heat sources. Movie clips of demonstration setup and convection in action are provided. This activity is supported by a... (View More)

In this data analysis activity, students interpret basic line plots of wind speed using authentic NASA data. The lesson provides detailed procedures, related links and sample graphs, follow-up questions, extensions, and teacher notes. Designed for... (View More)

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

This activity presents a digital interactive where students identify anthropogenic sources of carbon dioxide and their relative contribution to carbon enrichment of the atmosphere. Students then obtain a photograph pair of a scene in their... (View More)

Audience: High school
Materials Cost: Free per student