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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)

The students will learn to identify watersheds on topographic maps by learning how to interpret contour lines and distinguish adjacent watersheds by the ridge line between them. Required materials include laminated 7.5 topographic maps of a local... (View More)

Students will collect samples of particles in the air on simple slides they make themselves. They will classify, count and chart their findings, draw conclusions, make predictions, and compare their findings to other available data. Supplies needed... (View More)

This is an activity about investigating students' preconceptions of the Moon's appearance and its phases. Learners will first draw an image of how they think the Moon looks and then discuss as a group why the drawn pictures may vary. Then, learners... (View More)

In this introductory activity, students learn about perspective, range and resolution and explain how the optimal viewing zone varies with what it is they want to know. Students view a large object such as a poster, store front, or even a brick wall... (View More)

This is an activity about constellations. Learners will first draw familiar pictures and shapes within circles to introduce the concept of pattern recognition, then create their own unique constellation patterns from an arrangement of dots similar... (View More)

This is an experiment about shadow lengths, geometry, and motion. Learners will use a flashlight and toothpick to create a shadow and will measure changes the length of the shadow as they change the position of the light. This is activity B-1 of... (View More)

This activity uses the height of the North Star, Polaris, in the northern horizon as a means of determining the observer's latitude. This link between the height of the star and the latitude was critical for navigation by peoples in the Northern... (View More)

In this activity serving as an introduction to remote sensing, students list what they remember seeing in a familiar environment, check their accuracy, and discuss the results. Then they apply their experiences and new skills to an unfamiliar... (View More)

This is an activity about Moon phases. Learners will use a Styrofoam ball to simulate the Moon, which will be lit by a single light source in the classroom. Then, they will observe how different portions of the Moon ball are illuminated as they hold... (View More)