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This activity (on page 2 of the PDF under SciGirls Activity: Music and Sound) is a full inquiry investigation into sound frequency.

In this space science activity, learners work together to create a human-powered orrery to model the movements of the four inner planets.

In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.