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Students will use remotely sensed images and topographic maps to classify land cover types in their watershed. A field trip to specific sites will allow the students to ground truth cover types found on the remotely sensed images and extrapolate... (View More)

Keywords: Ground truth

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 craters. Learners will toss rocks of varying sizes into a bin of flour and cocoa. By varying the size and speed of the rocks, learners will determine how the impactors affect the shape and depth of the resulting crater.... (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 gravity. Learners will fill out a questionnaire to assess their ideas about how the Earth is shaped and how things fall at different places around the planet. Then, in small groups, learners will discuss how gravity works... (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 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)

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)