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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) textbook chapter, What Heats the Earth's Interior?, part of the unit, Energy Flow, in Global Systems Science (GSS), an interdisciplinary course for high school students that emphasizes how scientists from a wide variety of fields work together to understand significant problems of global impact. (View Less)
This website presents ongoing research and recent discoveries in astrophysics, Earth science, and biodiversity. Each bulletin has three types of stories: documentaries (short videos from the field), data visualizations (based on NASA and NOAA data),... (View More) and news snapshots. (View Less)