Interpret the map, or model, to find patterns in the occurrence of tropical cyclones from 1842 through 2018.
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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 
Compare pictures of different volcanoes. Then visit NASA's Space Place to learn about volcanoes and answer questions about volcanic eruptions.
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 examine NASA data to determine the differences between a solar and lunar eclipse.
In this lesson, students will explore the effect of aerosols on sky color and visibility by using an interactive virtual model.
This activity invites students to simulate and observe the different effects on sea level from melting sea-ice.
Students identify patterns and describe the relationship between chlorophyll concentration and incoming shortwave radiation.
Students identify patterns in chlorophyll concentration data to formulate their explanations of phytoplankton distribution.
Students will identify and describe the relationship between watersheds and phytoplankton distribution.