Test your knowledge of soil moisture and its effect on global populations. Soil moisture is the amount of water contained
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In this lesson, students investigate and identify various phytoplankton using images that were previously taken with a compound microscope. Credit: This lesson is modified from a lesson of the same name created by The Center for Microbial Oceanography: Research and Education 
Students use Phytopia: Exploration of the Marine Ecosystem, a computer-based tool, to investigate various phytoplankton species and topics relating to phytoplankton biology.
In this lesson, students will explore the effect of aerosols on sky color and visibility by using an interactive virtual model.
In this lesson, students will explore the effect of aerosols on sky color and visibility by using an interactive virtual model.
In this activity, students will model the geometry of solar eclipses using quarters to represent the Sun and Moon (not to scale).
This lesson walks students through the use of Landsat false-color imagery and identification of different land cover features using these as models.