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In this activity (located at the bottom of the page), learners investigate soil and explore the creatures that live in it.

This activity features two connected hands-on activities about dinosaur bones.

What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

This detailed lesson plan for a field trip to Canyonlands National Park in Utah (page 32 of pdf) teaches students about the habitat of bighorn sheep.