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In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

In this outdoor game, learners role play populations linked in a food chain.

In this activity, learners are challenged to design and build the tools they need to survive being shipwrecked on a deserted island.

In this activity (on page 2 of PDF under GPS: Sea Turtles Activity), learners will model how a sea turtle population changes over time, from eggs to adults, using puffed rice.