Filters: Your search found 7 results.
Topics/Subjects:
Technology and society  
Learning Time:
1 to 2 hours  
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In this lesson, students will think about their experiences with hurricanes and severe storms, and then learn the basics of what causes hurricanes to form. Students will learn how hurricane prediction has progressed, and how satellite technology is... (View More)

This is a lesson about the science supporting the design and operation of an ion propulsion engine. Learners will study the concepts of formation and discharge of charged particles, attractive and repulsive forces between charged particles, and the... (View More)

Audience: High school
Materials Cost: Free

This is a lesson about the path of one xenon ion through an ion propulsion engine. Learners will focus on what a single xenon ion sees and does as it goes through the reactions and processes that provide the ion jet propulsion engine's thrust. They... (View More)

Audience: High school
Materials Cost: Free

This lesson is about cleanroom technology and the importance of contamination control. Learners will discover the different types of industries that use cleanrooms. The activity centers on drawing a parallel between suiting up for the Genesis... (View More)

Audience: Middle school, High school
Materials Cost: Free

This activity explores how ancient Sun observers made use of natural and built structures to mark solar alignments observed at different times of the year, particularly around the solstices and equinoxes. In Part 1, the teacher prepares a horizon... (View More)

The sustainability of the Nile as a water resource is investigated using maps, photos, data, graphs and a role-playing activity. Student groups will represent each of the 10 countries in the Nile River Basin. Data cards are provided for students to... (View More)

Keywords: Watershed

The use or abuse of the Chesapeake Bay is examined and discussed in the form of a student role-playing activity. Each student gathers relevant background information and formulates questions from briefing cards included in the investigation. Ten... (View More)

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