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Astronomy  
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This is an activity about size, distance, and perspective. Learners will observe two objects of the same size placed at different distances, and they will observe two objects of different size placed at varying distances. This concept is then... (View More)

This is a series of three activities about light and spectra. First, learners will construct their own spectroscope, observe common light sources, record the observed spectra, and compare their findings. Next, learners will use their spectroscopes... (View More)

This is an activity about size, distance, and perspective. Learners will observe two objects of the same size placed at different distances, and they will observe two objects of different size placed at varying distances. This concept is then... (View More)

Audience: Elementary school

This is a short activity about our Sun. Learners will read a page of information about our Sun and the electromagnetic spectrum and answer questions in an accompanying worksheet. This activity is from the Stanford Solar Center's All About the Sun:... (View More)

This is an activity about the use of light to learn about space. Learners will use colored filters to examine slides of stars and nebulae. These filters show how astronomers distinguish stars of different temperatures and nebulae with different... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about the shape of the Earth’s orbit. Learners will first use elements of the orbit of Earth and Pluto and an apparatus using string, a pencil, and pushpins to accurately draw an ellipse, showing the nearly circular shape of... (View More)

This is an activity about the size and scale of the Sun-Earth system. Learners will take an imaginary trip to the Sun by comparing images of the Sun and Earth at different points in altitude above the Earth. This is to ultimately conceptualize the... (View More)

This is a lesson about measuring star size. Learners will use eclipsing binary systems to measure star diameters. This is Activity G-8 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which... (View More)

This is a lesson about sorting and classification. In groups, learners will sort twenty images of galaxies into categories of their own devising. Then, the groups compare notes about their sorting criteria and learn more about what the different... (View More)

This is a lesson about representative sampling. When given parts of the Hubble Deep Field image, learners will count the number of galaxies in one sample section of the image. Then, they will calculate how many galaxies there are in each whole image... (View More)