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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 comet motion. Learners will cut out images of Halley's Comet, putting the images in sequential order to create a flip book demonstrating the comet's orbit around the Sun and the formation of the comet's tail near the Sun.... (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)

This is an activity exploring the connections between astronomy and culture. Learners will design their own constellation pattern based on the stars representing Ursa Major and write a short story to go along with their design. Then, they will share... (View More)

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 the apparent motions of Venus as seen from Earth. Learners will make a 3-D model using themselves, a light source, and a small white ball to visually understand Venus's orbital cycle and why it can sometimes can be seen in... (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)

This is an activity about the Sun's position in the sky. Learners will use a clear plastic hemisphere to create a model of the sky and mark the position of the Sun in the sky on the hemisphere several times throughout the day. From this information,... (View More)

Audience: High school

This is an activity about observing sunset positions. Learners will observe the position of sunset over the course of two to three months, at minimum, or up to a year, at maximum, and discuss results and predict future sunset locations. This is... (View More)

This is an activity about safely observing the Sun. Learners will use a telescope or binoculars to collect sunlight and safely project it on a piece of paper, where they can detect sunspots. This is Actividad 2.2 as part of El Universo a Sus Pies, a... (View More)