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National Park Service
Fitting In
Birds help other birds find food? Scholars are placed into one of five groups of different birds. Each group then "feeds" on letters of paper in a field and gather five pieces per person. As each group plays, more food is exposed,...
Curated OER
Can You Hear My Now?: Getting the Message Across
In this power transmittance activity, students read about sources that transmit power and are given a chart with the distance and the power transmitted by each device. Students determine the intensity in watts of the power for each...
Curated OER
To Protect Your Streams, Protect Your Mountains
Students build and experiment with a watershed to understand the effects of pollution. In this movement of water lesson plan, students work in groups creating rock formations and change the viscosity of the liquids falling down the...
Curated OER
Upwelling Terrestrial Radiation
Students calculate the hourly irradiance of the earth at a site given the near-surface air temperature of the site. They compare the calculated values of irradiance with those measured by instruments at the site. Students need to...