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This is an activity about scale. Learners will use toilet paper squares as a standard measuring unit for a Solar System model and will determine the scaled distance between each planet using the data provided. This is Actividad 4.2 as part of El... (View More)

This is an activity about observing. Learners will look for particular stars, their colors and brightnesses, as well as important constellations in the nighttime sky. They also will compare the relative brightness of the sky near towns to gauge the... (View More)

This is an activity about telling time. Learners will construct a northern-hemisphere star clock and will set their star clocks based on the position of the Big Dipper in the sky. Then, they will use their star clocks to predict where the Big Dipper... (View More)

This is an activity about size and scale. Learners will use common objects to create a size and distance model of the Solar System, with a peppercorn representing the size of the Earth. Using paces or steps as a form of standard measurement,... (View More)

This is an activity about cultural references to astronomy. Learners will create a list of products that have been named after astronomical objects, which the class discusses. As a homework project, they can search local stores or media for... (View More)

This is an activity about cultural references to astronomy. Learners will create a list of products that have been named after astronomical objects, which the class discusses. As a homework project, they can search local stores or media for... (View More)

This is an activity about size and scale. Learners will use cotton bails, glue, and other common materials to produce a scale model of the coma and tail of Halley's Comet. This is Actividad 5.2 as part of El Universo a Sus Pies, a Spanish-language... (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 constellations. Learners will create a simple star finder using basic materials and learn to use it to be able to identify constellations in the night sky for various dates and times. The star finder can also be used to... (View More)