Filters: Your search found 5 results.
Learning Time:
1 to 2 hours  
Topics/Subjects:
Earth structure  
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This is an activity about the declining strength of Earth's magnetic field. Learners will review a graph of magnetic field intensity and calculate the amount by which the field has changed its intensity in the last century, the rate of change of its... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about auroras and the scientific terminology used to describe them. Learners will read an article that provides an introduction to specific terms and concepts related to auroras and auroral substorms and examine photographs of a... (View More)

Audience: High school, Higher education
Materials Cost: Free

This textbook chapter traces the historical development of the modern scientific understanding of light, and reviews the electromagnetic spectrum and the Earth's atmospheric shield. The resource includes links to current news articles, and a suite... (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

How effective would solar cells be in any particular area of the United States? In this activity, students answer that question by analyzing graphs of incoming solar radiation. Students will download two solar radiation graphs, one based on latitude... (View More)

Audience: Middle school, High school
Materials Cost: Free
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