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Topics/Subjects:
Engineering and technology  
Instructional Strategies:
Computer simulations/models/visualizations  
Materials Cost:
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This is a lesson about using gravity to assist in spacecraft navigation. Learners will relate an elastic collision to the change in a satellite's or spacecraft's speed and direction resulting from a planetary fly-by, often called a "gravity assist"... (View More)

Keywords: Navigation
Audience: High school
Materials Cost: $1 - $5 per group of students

In this activity, learners will analyze a satellite image of the Missouri River to find evidence that a river channel has changed position over time. They will then build a display, such as a poster or model, that identifies and describes the... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students
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