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This is an activity about comets. Depending on the grade level of learners, either the instructor or the learners will construct a model comet using dry ice, ammonia, dirt, corn syrup, and water. This is Activity E-2 of Universe at Your Fingertips... (View More)

This is an activity about shape. Learners will investigate that the Earth is a sphere by comparing the length of shadows from nails arranged on a flat map compared to nails arranged around a spherical globe. From the observations collected, they... (View More)

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)

This is an activity about the Doppler effect. Learners will use long springs or ropes to examine the frequency and wavelength of various waves. Then, they will observe a demonstration of the Doppler effect for sound waves, using this understanding... (View More)

This is an activity about the expansion of the Universe. Learners will use a special set of transparency and master sheets with dots representing clusters of galaxies at two different eras of the Universe's history. After aligning the transparency... (View More)

This is an activity about the expansion of the Universe. Learners will use a special set of transparency and master sheets with dots representing clusters of galaxies at two different eras of the Universe's history. After aligning the transparency... (View More)

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