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Educational Level:
Informal education  
Middle school  
Materials Cost:
$1 - $5  
Instructional Strategies:
Homework and practice  
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Students in grades 7-10 analyze land cover change in order to help them grasp the extent, significance, and consequences of land cover change; and to introduce them to the perspective of space-based observations.

This is an activity about the magnetic fields of the Sun and Earth, and the interplanetary magnetic field, or IMF. Learners will engage in a question and answer dialogue, make connections using bar magnet examples and overhead transparencies, and... (View More)

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

In this activity, learners build a sextant to measure the altitude, or height above the horizon, of an object. The activity was originally designed to accompany a previous NASA-funded educational program, entitled The Sun in Time.

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