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This article contains a series of kinesthetic activities, explaining and demonstrating why stars twinkle and what astronomers can do to minimize it. The activities can be used to demonstrate how Earth's atmosphere distorts starlight and how advanced... (View More)

Audience: Middle school, Informal education
Materials Cost: Free

This is a lesson about the relationship between a planet and it's moon(s). Learners will use the data provided on a set of Saturn Moon Cards to compare Saturn's moons with Earth's Moon, and to explore moon properties and physical relationships... (View More)

This is a lesson about science as a human endeavor. Learners will use a diverse collection of profiles of people who work on the Cassini–Huygens mission to learn about science as a human endeavor and to reflect on their own career goals and... (View More)

Keywords: Careers
Audience: Elementary school, Middle school
Materials Cost: Free

In the state of Maryland, a local politician once claimed that sea level is rising because there are too many people putting boats on the open ocean. Could that result in a significant sea level rise, perhaps even destroy low-lying nations such as... (View More)

Audience: High school
Materials Cost: Free per student

In this activity, students become familiar with the orientation of shadows, their size in relation to the object casting them, and how the alignment of the Sun, the object, and the shadow tells us much about how shadows work. Supplies needed for... (View More)

Keywords: Angle

This inquiry activity supports student understanding of the cause of light, heat and shadow, how to measure the passage of time, and how to use rules and other measuring tools. Students make observations using shadows, a meter stick, and a homemade... (View More)

This inquiry activity supports student understanding of the cause of light, heat and shadow, how to measure the passage of time, and how to use rules and other measuring tools. Students make observations using shadows, a meter stick, and a homemade... (View More)

In this introductory activity, students are introduced to the fundamental tools of scientific inquiry: observing, identifying changes, perspectives and patterns. Materials needed include student journals, pencils, crayons, plastic sample bags,... (View More)

Audience: Elementary school
Materials Cost: 1 cent - $1 per student

In this inquiry investigation, students learn that while the Sun appears to move around the Earth, in fact it is the Earth spinning around on its axis while the Sun remains stationary. Materials suggested for this activity include an easel or wipe... (View More)

In this inquiry investigation, students study the motion and positions of the Earth and how they affect the path of sunlight we get in different places. They discover that the Earth must be curved to account for the different lengths of shadows at... (View More)