Review this page to learn about the background of volcanoes and their eruptions.

Students use scale to determine the area of volcanic deposits following the March 3, 2015 eruption of Chile's Mount Villarrica stratovolcano, one of the country's most active volcanoes.

Students will describe the changes in a newly-formed volcanic island over the first three years of its life.  

Students examine satellite images of a recently formed island to identify areas of erosion and deposition.

Phytoplankton distribution background information.

Students watch a video explaining albedo and its impact on Earth. The video shows visualizations of albedo across Earth and how it can change. Students will interpret the images in the video and answer questions about albedo.