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This is an experiment about shadow lengths, geometry, and motion. Learners will use a flashlight and toothpick to create a shadow and will measure changes the length of the shadow as they change the position of the light. This is activity B-1 of... (View More) Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)
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.
Learners will first observe a first quarter Moon and as a group, predict which phase the Moon will be in during the next observation. They then continue to chart the progress of the lunar cycle of phases throughout the following weeks to better... (View More) understand the sequence. This is Actividad 1.2 as part of El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)