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In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events.

In this activity, learners discover if carbon dioxide has an effect on temperature.

In this activity, learners make scale models of the Sun and Earth out of paper mache.

In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.

In this activity, learners build a simple solar oven out of household materials to melt chocolate and marshmallow between graham crackers--known as s'mores.

In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.