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This activity helps learners understand how the angle of the Sun affects temperatures around the globe.

In this activity, learners examine the culture and history of the tomb site.

In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.

In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.

In this activity, learners find Xi'an, the archaeological area in China where the Terra Cotta Army was discovered, on a map or globe and look more closely at the relationship of the warrior site to ot

In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.