This activity will help students better understand and practice estimating percent cloud cover.

In this lesson, students will explore the effect of aerosols on sky color and visibility by using an interactive virtual model. 

Students will explore the Nitrogen Cycle by modeling the movement of a nitrogen atom as it passes through the cycle. Students will stop in the different reservoirs along the way, answering questions about the processes that brought them to the different reservoirs.  

This lesson was based on an activity from UCAR Center for Science Education. 

Students identify patterns and describe the relationship between chlorophyll concentration and incoming shortwave radiation. 

Students track weather over time and create a bar chart to track their data. 

In this activity students will examine NASA data to determine the differences between a solar and lunar eclipse.

Compare pictures of different volcanoes. Then visit NASA's Space Place to learn about volcanoes and answer questions about volcanic eruptions.

Students use Phytopia: Exploration of the Marine Ecosystem, a computer-based tool, to investigate various phytoplankton species and topics relating to phytoplankton biology.