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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)

In this activity, students view a satellite image of Earth at night, and consider the environmental considerations and consequences associated with the pattern of light they see. The resource includes a map for student use. Summary background... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free per student

Using this worksheet, students learn to differentiate between wind speeds by using the Beaufort Scale of Wind Force. They are presented with a table describing the Beaufort scale, and then assign the appropriate scale to different weather events... (View More)

Keywords: Wind vectors
Audience: Elementary school
Materials Cost: Free

This 34-minute video is the result of a collaboration between the National Park Service and NASA. It tells the story of the Underground Railroad, the South/North escape routes used by freedom-seeking slaves during the 19th century. Slaves traveling... (View More)

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