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This self-paced, interactive tutorial teaches how to estimate the travel time, acceleration, and trajectory of iceberg movement from satellite images. Factors that impact the complex motion of icebergs, such as weather, ice processes and... (View More)

Audience: High school, Higher education
Materials Cost: Free

In this problem set, learners will practice fractions by working with the ratios of various molecules or atoms in different compounds to answer a series of questions. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to... (View More)

Keywords: Molecule; Atom; Ratio; Compound
Audience: Elementary school, Middle school
Materials Cost: Free

This astronomy program is designed for middle school children in out-of-school-time settings. The program explores basic astronomy concepts (like invisible light, telescopes) and focuses on the universe outside the solar system (stars, galaxies,... (View More)

Audience: Informal education

This is an activity about searching online data archives for solar wind events. Learners will find at least three episodes of increased solar wind activity impacting Earth using direct measurements of solar wind velocity and density. Then, they will... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this problem set, learners will compare the carbon dioxide produced as a result of two 2010 events: the eruption of the Eyjafjalla Volcano and the burning of oil on the ocean surface to address the Gulf of Mexico oil spill. Answer key is... (View More)

Audience: High school
Materials Cost: Free

In this problem set, learners will analyze the Keeling Curve showing carbon dioxide concentration in the atmosphere since 1985 to answer a series of questions. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth... (View More)

This is an activity about basic properties of the Sun. Learners will first identify what they already know about the sun. Then, a book is read out loud in class and students are asked to identify Sun-related vocabulary words. After the reading,... (View More)

Keywords: NSTA2013
Audience: Elementary school

This is an activity about the period of the Sun's rotation. Learners will use image of the Sun from the SOHO spacecraft and a transparent latitude/ longitude grid called a Stonyhurst Disk to track the motion of sunspots in terms of degrees of... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is an activity about identifying patterns of change in shadows as an effect of the Sun's changing position. This activity also discusses how shadows can be used to determine the time of day. Learners will build sundials and collect data based... (View More)

Keywords: NSTA2013
Audience: Elementary school

This is an activity about depicting magnetic polarity. Learners will observe several provided drawings of magnetic field line patterns for bar magnets in simple orientations of like and unlike polarities and carefully draw the field lines and depict... (View More)

Audience: High school