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Learners model the ocean currents that carry hot water from the tropics to northern latitudes.

Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.

This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.

In this activity, learners simulate the behavior of the atmosphere.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.