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In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.

In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

In this activity, learners will imagine the challenges and opportunities of asteroid mining.

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

In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.

In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.