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This is a tri-fold brochure about high energy electrons in space: how they are produced, when and where they occur, and how they can affect us. Learners can use this brochure to supplement instruction on related topics and to access other web and... (View More)

Audience: High school
Materials Cost: Free

This interactive adventure uses a Landsat mosaic of Arizona as the interface. Students need to interpret satellite imagery to receive clues to Echo the Bat's location. As students find Echo, additional content about remote sensing and biodiversity... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free per student

This is an activity about the discovery of water ice on Mars. Learners will create physical models using Earth samples to answer the question, "is it more likely that high altitude regions of Mars are composed of icy dirt (with ice filling the pore... (View More)

Keywords: Mars
Audience: Middle school, High school
Materials Cost: Free

Oceans play a significant role in determining and moderating the effects of energy imbalances. Students will begin this lesson by working with temperature data to reinforce the importance of protocols, practice computing statistical measures of data... (View More)

This is a hands-on lab activity about seawater density. After developing a hypothesis, learners will conduct a simple investigation of density. They will discuss changes in density observed and describe how salt affects the density of water.... (View More)

This is a lesson about extremophiles and using DNA sequences to classify them. Learners will describe the characteristics of a newly discoverd thermophyllic organism and use the DNA sequence to place that organism in the phylogenetic tree of life.... (View More)

In this lesson, students investigate and analyze the connection between sea surface temperatures and the flow pattern of the Gulf Stream current. Students will generate an Excel file of sea surface temperatures for the Gulf Stream region from data... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is a video about NASA's Dawn mission to the asteroids Vesta and Ceres. Learners will follow the mission from paper to launch pad to asteroid belt and beyond. The video features the planning, instrumentation and technological challenges of this... (View More)

In this laboratory activity, students investigate chromophoric dissolved organic matter (CDOM) through gradual dilution of black, green and chamomile tea. Through this activity, students discover how CDOM can dominate the absorption of sunlight, how... (View More)

This is a hands-on lab activity about the chemical composition and conductivity of water. Working in groups, learners will: conduct an experiment involving the process of electrolysis, prepare an experiment to better understand the process of ion... (View More)

Keywords: Electrolytes; Salinity
Audience: High school
Materials Cost: $1 - $5 per group of students